Registered Well Drillers
Click water To view Registered Well Driller As of December 2009
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RegID
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Driller
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Status
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Address
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Municipal
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Province
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Expiry Date
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| 1 | Island Arc Drilling Corp. | C | Republic Steel Tube Cpd., Km 16, Pamplona | Las Piñas | Metro Manila | 25-Aug-03 | 25-Aug-03 | 26-Aug-06 |
| 2 | Antonio B. Rubiano | Barangay Gugo | Samal | Bataan | 24-Mar-98 | 24-Mar-98 | 25-Mar-01 | |
| 3 | Hydrock Wells Inc. | Bolcan Street, Agdao | Davao | Davao del Sur | 07-Jul-04 | 14-Jun-04 | 14-Jun-07 | |
| 4 | Power Supply & Equipment Parts | 375 San Rafael Street | Mandaluyong | Metro Manila | 11-Sep-90 | 11-Sep-90 | 12-Sep-93 | |
| 5 | Aces Drilling & Equipment Corp. | C | 123-A Kalayaan Avenue, Diliman | Quezon | Metro Manila | 23-Jun-05 | 23-Jun-05 | 24-Jun-08 |
| 6 | Fortune Well Drilling Enterprises | 39-F Tomas Morato Avenue | Quezon | Metro Manila | 15-Apr-94 | 15-Apr-94 | 16-Apr-97 | |
| 7 | Lucas Well Drilling & Water Supply Co. | 62 Comercio Street, Tugatog | Malabon | Metro Manila | 10-Jun-02 | 10-Jun-02 | 11-Jun-05 | |
| 8 | Whitewater Corp. | C | 11 R. Palma Xavierville Loyola Hgt. 1108 | Quezon | Metro Manila | 05-May-99 | 5-May-99 | 6-May-02 |
| 9 | AFC Agribusiness Corp. | C | 6 Flr. Tucsan Bldg. Herrera St. Legazpi Vil. | Makati | Metro Manila | 21-Nov-90 | 21-Nov-90 | 22-Nov-93 |
| 10 | Orbit Wells Construction Corp. | C | lot 39 a Malongay Rd., FTI Complex | Taguig | Metro Manila | 21-Nov-90 | 21-Nov-90 | 22-Nov-93 |
| 11 | Miguel Well Driller | 237 Tandang Sora Avenue, Banlat | Quezon | Metro Manila | 15-Apr-94 | 15-Apr-94 | 16-Apr-97 | |
| 12 | Hydrowells Inc. | 54 Mapagbigay Street, V. Luna | Quezon | Metro Manila | 16-Aug-99 | 16-Aug-99 | 17-Aug-02 | |
| 13 | Abesamis Enterprises | S. Cortes Bldg., A.S. Fortuna Street. cor. Sacris Extn., | Mandaue | Cebu | 25-Aug-03 | 25-Aug-03 | 26-Aug-06 | |
| 14 | Supreme Well Drilling | #620 Libo Street, San Nicolas, | Bulacan | Bulacan | 02-Oct-97 | 3-Oct-03 | 3-Oct-06 | |
| 15 | Quick-Drill Engineering | 155 M. Paterno Street | San Juan | Metro Manila | 16-Jan-02 | 16-Jan-02 | 17-Jan-05 | |
| 16 | Jhun Guallar Deepwell & Iron Work Services | Ortigas Ave. Extn. Cor. De Castro Subd. | Pasig | Metro Manila | 01-Aug-03 | 1-Aug-03 | 02-Aug-06 | |
| 17 | E.F. Imperial Construction | 13 Villafrancia Subd. Jacobo ext. | Naga | Camarines Sur | 13-Mar-91 | 13-Mar-91 | 14-Mar-94 | |
| 18 | Lopez Drilling Enterprises | 159 Quirino Highway, Baesa | Quezon | Metro Manila | 06-Oct-03 | 6-Oct-03 | 07-Oct-06 | |
| 19 | J.B. Braga Well Drilling 7 Water Supply | Lot 5 Block 7 Rosal Street, Sun Valley | Parañaque | Metro Manila | 10-Aug-00 | 10-Aug-00 | 11-Aug-03 | |
| 20 | Aqua-Line Basic Resource, Inc. | 29-42 BL Pag-asa Condominium, Pag-asa | Quezon | Metro Manila | 18-Jul-01 | 18-Jul-01 | 19-Jul-04 | |
| 21 | A.O. Pacsi Construction | 220 Suello Cmpd. Marcos Highway | Baguio | Benguet | 21-Mar-91 | 21-Mar-91 | 22-Mar-94 | |
| 22 | Mig-Wells Construction Corp. | C | 119 5th Ave., Socorro, Cubao | Quezon | Metro Manila | 21-Mar-91 | 21-Mar-91 | 22-Mar-94 |
| 23 | Construction & Drilling Specialist, Inc. | S-401ALCCO Bldg., Ortigas Ave., Greenhills | San Juan | Metro Manila | 13-Nov-02 | 13-Nov-02 | 14-Nov-05 | |
| 24 | Winegard Marketing | 41 Ledesma St. | Iloilo | Iloilo | 02-Apr-91 | 2-Apr-91 | 03-Apr-94 | |
| 25 | BRK Construction | 315 Elias Angeles St. | Naga | Camarines Sur | 11-Apr-91 | 11-Apr-91 | 12-Apr-94 | |
| 26 | MRP Merchandising | 736 Biak na Bato St., Tabuco | Naga | Camarines Sur | 11-Apr-91 | 11-Apr-91 | 12-Apr-94 | |
| 27 | FVG Construction | Naga | Camarines Sur | 11-Apr-91 | 11-Apr-91 | 12-Apr-94 | ||
| 28 | Mega Wells Construction Corp. | C | 21-A Balubaran Street Malinta | Valenzuela | Metro Manila | 02-Aug-96 | 2-Aug-96 | 03-Aug-99 |
| 29 | Bacolod Plumbing Works | Belleza Bldg., San Sebastian-San Juan St. | Bacolod | Negros Occ | 20-Nov-00 | 20-Nov-00 | 21-Nov-03 | |
| 30 | Macario Salamida Well Driller | Loyola Avenue | Guivan | Eastern Samar | 17-Apr-91 | 17-Apr-91 | 18-Apr-94 | |
| 31 | Admiral Well Drilling, Pumps & Machinery Co., Inc. | 3rd flr. Admaco Bldg. 0088 Quirino Ave. | Baclaran | Metro Manila | 22-Apr-91 | 22-Apr-91 | 23-Apr-94 | |
| 32 | J.C. Ariona Builder Co., Inc. | 953 Riosa St. | Tabaco | Albay | 03-May-91 | 3-May-91 | 04-May-94 | |
| 33 | JEV Trading & Contracting | 599 P. Diaz ext., Sta. Cruz | Naga | Camarines Sur | 20-May-91 | 20-May-91 | 21-May-94 | |
| 34 | Dozer Builders | San Roque, | Camaligan | Camarines Sur | 24-May-91 | 24-May-91 | 25-May-94 | |
| 35 | EFR Drilling Works | 65 Monserrat, | Magarao | Camarines Sur | 03-Jun-91 | 3-Jun-91 | 04-Jun-94 | |
| 36 | PJB Trading & Construction | 2nd Floor Public Market Bldg., | Baao | Camarines Sur | 15-Oct-96 | 15-Oct-96 | 16-Oct-99 | |
| 37 | P.R. Hizo Construction | Guinhawa Bldg., Igualdad St. | Naga | Camarines Sur | 07-Jun-91 | 7-Jun-91 | 08-Jun-94 | |
| 38 | HRB Construction | Manubay Subd., Bagumbayan Sur | Naga | Camarines Sur | 07-Jun-91 | 7-Jun-91 | 08-Jun-94 | |
| 39 | UNI Construction | Villa Grande Homes, Concepcion | Naga | Camarines Sur | 07-Jun-91 | 7-Jun-91 | 08-Jun-94 | |
| 40 | NVF Construction | 100 Sol St. Villa Sorabella Subd. | Naga | Camarines Sur | 11-Jun-91 | 11-Jun-91 | 12-Jun-94 | |
| 41 | R.A. Tuazon Construction | 62 Hernandez Ave. | Naga | Camarines Sur | 26-Jun-91 | 26-Jun-91 | 27-Jun-94 | |
| 42 | Allan Star Drilling Works | Malama | Ligao | Albay | 26-Jun-91 | 26-Jun-91 | 27-Jun-94 | |
| 43 | Iris Water Supply Construction | Dinagaan | Legazpi | Albay | 26-Jun-91 | 26-Jun-91 | 27-Jun-94 | |
| 44 | P. JEG Construction Enterprises | 1 Libon St. | Naga | Camarines Sur | 26-Jun-91 | 26-Jun-91 | 27-Jun-94 | |
| 45 | P.I. Well Drilling Corp. | C | 6 Pitimini cor. Roosevelt Ave., SFDM | Quezon | Metro Manila | 26-Feb-98 | 26-Feb-98 | 27-Feb-01 |
| 46 | Polangui Construction | Magurang St., | Polangui | Albay | 05-Jul-91 | 5-Jul-91 | 06-Jul-94 | |
| 47 | Bicos Drilling Services | Brgy. Garoyroyan | Pili | Camarines Sur | 05-Jul-91 | 5-Jul-91 | 06-Jul-94 | |
| 48 | Jerac Drilling & General Construction | 34 F Mabini St. | Masbate | Masbate | 08-Jul-91 | 8-Jul-91 | 09-Jul-94 | |
| 49 | Dimen Construction | 28 Mabini St., Centro | Masbate | Masbate | 08-Jul-91 | 8-Jul-91 | 09-Jul-94 | |
| 50 | Jemave Construction | Fontelar St. | Milagros | Masbate | 08-Jul-91 | 8-Jul-91 | 09-Jul-94 | |
| 51 | N.R. Serrano Construction | 44 Quezon St. | Masbate | Masbate | 08-Jul-91 | 8-Jul-91 | 09-Jul-94 | |
| 52 | MBS Infratech Builders | Unno Remedios St. | Mobo | Masbate | 08-Jul-91 | 8-Jul-91 | 09-Jul-94 | |
| 53 | LAL Well Drilling & Allied Services | San Gabriel, | Pamplona | Camarines Sur | 12-Jul-91 | 12-Jul-91 | 13-Jul-94 | |
| 54 | BiyongConstruction Works | 84 Danao St., Talahib | Masbate | Masbate | 12-Jul-91 | 12-Jul-91 | 13-Jul-94 | |
| 55 | Jomer Construction Co. | 7 Bagong Sirang St. | Masbate | Masbate | 17-Jul-91 | 17-Jul-91 | 18-Jul-94 | |
| 56 | Diamond Well Driller & Plumbing Services | 230 San Roque, | Calabanga | Camarines Sur | 17-Jul-91 | 17-Jul-91 | 18-Jul-94 | |
| 57 | A.M. Real Construction Enterprises | 36 F Mabini St. | Masbate | Masbate | 19-Jul-91 | 19-Jul-91 | 20-Jul-94 | |
| 58 | Viva Español Construction Corp. | C | Proper | Masbate | Masbate | 19-Jul-91 | 19-Jul-91 | 20-Jul-94 |
| 59 | Monavilla Construction & Dev't. Works | 12 Rosario St. | Masbate | Masbate | 19-Jul-91 | 19-Jul-91 | 20-Jul-94 | |
| 60 | R.H. Mercado Construction Enterprises | Mabini St. | Masbate | Masbate | 19-Jul-91 | 19-Jul-91 | 20-Jul-94 | |
| 61 | Junrad Construction | 20-A Rosero St. | Masbate | Masbate | 19-Jul-91 | 19-Jul-91 | 20-Jul-94 | |
| 62 | Sese Construction | Unno Ibinigay St. | Masbate | Masbate | 19-Jul-91 | 19-Jul-91 | 20-Jul-94 | |
| 63 | RLD Construction Works | 7 Ibinigay St. | Masbate | Masbate | 26-Jul-91 | 26-Jul-91 | 27-Jul-94 | |
| 64 | Pedro Edwin L. Uy Construction | 13 Zurbito St. | Masbate | Masbate | 26-Jul-91 | 26-Jul-91 | 27-Jul-94 | |
| 65 | A. Gunay Construction | 1st. St., Our Lady's Village | Legazpi | Albay | 26-Jul-91 | 26-Jul-91 | 27-Jul-94 | |
| 66 | Oscar R. Teodoro, Sr. Construction | 44 Ibinigay St. Balo | Masbate | Masbate | 26-Jul-91 | 26-Jul-91 | 27-Jul-94 | |
| 67 | Buenaventura Enterprise | El Amor Subd. | Legazpi | Albay | 26-Jul-91 | 26-Jul-91 | 27-Jul-94 | |
| 68 | A. Tagle Construction & Supply | Baloso | Sorsogon | Sorsogon | 26-Jul-91 | 26-Jul-91 | 27-Jul-94 | |
| 69 | Joker Well Driller & Plumber | Cadlan, | Pili | Camarines Sur | 26-Jul-91 | 26-Jul-91 | 27-Jul-94 | |
| 70 | Service Contractor | 6562 J. de Leon St., Catchalian I Subd., Sucat road | Parañaque | Metro Manila | 20-Oct-03 | 20-Oct-03 | 21-Oct-06 | |
| 71 | Aquarius Builders & Well Drilling Enterprises | 30 F. Bautista., Marulas | Valenzuela | Metro Manila | 09-Sep-95 | 9-Sep-95 | 10-Sep-98 | |
| 72 | A.M. Bandales Construction | 57 Mabini St. | Masbate | Masbate | 30-Jul-91 | 30-Jul-91 | 31-Jul-94 | |
| 73 | Gomez Well Drilling Expert | 34 Airport Gate | Tagbilaran | Bohol | 16-Aug-94 | 16-Aug-94 | 17-Aug-97 | |
| 74 | CJL Construction | Lapu Lapu St. Pob. | Cataingan | Masbate | 30-Jul-91 | 30-Jul-91 | 31-Jul-94 | |
| 75 | RFA Construction | Alicante St., | San Jacinto | Masbate | 30-Jul-91 | 30-Jul-91 | 31-Jul-94 | |
| 76 | GCV Construction | Masbate | Masbate | 31-Jul-91 | 31-Jul-91 | 01-Aug-94 | ||
| 77 | Nilbert S. Viceo Enterprises | 34 Bagong Sirang St. | Balo | Masbate | 02-Aug-91 | 2-Aug-91 | 03-Aug-94 | |
| 78 | Lim General Contractor | Meding St. Kalipaypay | Masbate | Masbate | 02-Aug-91 | 2-Aug-91 | 03-Aug-94 | |
| 79 | Phil. Manna Construction & Supply | Kalangkang Mabca Sangay | Camarines Sur | 02-Aug-91 | 2-Aug-91 | 03-Aug-94 | ||
| 80 | R.E. Collingwood Deepwell Construction | Ariman, | Gubat | Sorsogon | 02-Aug-91 | 2-Aug-91 | 03-Aug-94 | |
| 81 | Red White & Black Construction | 12 Magsaysay St. | Naga | Camarines Sur | 13-Aug-91 | 13-Aug-91 | 14-Aug-94 | |
| 82 | Don-Carl Construction | Lerma St. | Naga | Camarines Sur | 13-Aug-91 | 13-Aug-91 | 14-Aug-94 | |
| 83 | RGM Machinery Supply | 8179 Dr. A Santos cor Carmen Vil. | Parañaque | Metro Manila | 22-Aug-91 | 22-Aug-91 | 23-Aug-94 | |
| 84 | Aqualine Construction | 524 E. Dela Paz Street | Marikina | Metro Manila | 18-Mar-98 | 18-Mar-98 | 19-Mar-01 | |
| 85 | Tomas D. Duka Construction | 56 Nursery St., | Masbate | Masbate | 04-Sep-91 | 4-Sep-91 | 05-Sep-94 | |
| 86 | Rudencio E. Mijares Enterprises | 202 Escape St., Pob. | Palanas | Masbate | 04-Sep-91 | 4-Sep-91 | 05-Sep-94 | |
| 87 | LRE Construction | CT 1 Cmpd., Brgy F. Magallanes | Masbate | Masbate | 05-Sep-91 | 5-Sep-91 | 06-Sep-94 | |
| 88 | Edgar M. Marabe Construction | Danao St., Brgy Talahib | Masbate | Masbate | 09-Sep-91 | 9-Sep-91 | 10-Sep-94 | |
| 89 | Romulo Pacheco Enterprises | 78 Danao St., Centro | Masbate | Masbate | 09-Sep-91 | 9-Sep-91 | 10-Sep-94 | |
| 90 | J. Wayne M. Dimen (same as Dimen Const.) | 28 Mabini St., Centro | Masbate | Masbate | 23-Sep-91 | 23-Sep-91 | 24-Sep-94 | |
| 91 | Manuel S. Balacano (same as MBS Infratech Blders) | Unno Remedios St. Mobo | Masbate | Masbate | 23-Sep-91 | 23-Sep-91 | 24-Sep-94 | |
| 92 | Tuason Construction | 13 Nursery St., Akasya | Masbate | Masbate | 23-Sep-91 | 23-Sep-91 | 24-Sep-94 | |
| 93 | Geotechnica Corp. | C | 23 Avelino St. Loyola Hgts. | Quezon | Metro Manila | 03-Nov-03 | 3-Nov-03 | 04-Nov-06 |
| 94 | Superdrilling Services & Machine Shop | 20 C Padilla St. | Cebu | Cebu | 26-Sep-91 | 26-Sep-91 | 27-Sep-94 | |
| 95 | Jeanina L. Etcobanez Enterprises | 32 Medina St. | Masbate | Masbate | 26-Sep-91 | 26-Sep-91 | 27-Sep-94 | |
| 96 | TRM Construction | 3 San Jose, | Camaligan | Camarines Sur | 01-Oct-91 | 1-Oct-91 | 02-Oct-94 | |
| 97 | Tomaob Well Drilling Techniques\ | Bariada | Legazpi | Albay | 27-Aug-01 | 27-Aug-01 | 28-Aug-04 | |
| 98 | Sarah B. Españo Construction | Crossing, Cagba | Masbate | Masbate | 04-Oct-91 | 4-Oct-91 | 05-Oct-94 | |
| 99 | SMZ Well Drilling | Rizal Ave. ext. Brgy 7, | Catbalogan | Samar | 08-Oct-91 | 8-Oct-91 | 09-Oct-94 | |
| 100 | KJ Enterprises & Construction | 95 Nursery St. | Acacia | Masbate | 08-Oct-91 | 8-Oct-91 | 09-Oct-94 | |
| 101 | RH Sandoy Well Drilling Corp. | C | Balogo | Sorsogon | Sorsogon | 10-Oct-91 | 10-Oct-91 | 11-Oct-94 |
| 102 | Edrox Construction & Supply | Concepcion Grande | Naga | Camarines Sur | 22-Oct-91 | 22-Oct-91 | 23-Oct-94 | |
| 103 | Arnel C. Dadivas Drilling Services | Concepcion Grande | Naga | Masbate | 25-Oct-91 | 25-Oct-91 | 26-Oct-94 | |
| 104 | Goldmark Construction Enterprises | 14 Gumamela St. | Naga | Camarines Sur | 15-Nov-91 | 15-Nov-91 | 16-Nov-94 | |
| 105 | Giango Construction | 130 Sabellano, Quioot | Cebu | Cebu | 15-Nov-91 | 15-Nov-91 | 16-Nov-94 | |
| 106 | Vaganda Enterprises | Brgy. Tngha-an | Minglanilla | Cebu | 15-Nov-91 | 15-Nov-91 | 16-Nov-94 | |
| 107 | Albon Builders | 5464 Suba, Matatalaib | Tarlac | Tarlac | 26-Jan-95 | 26-Jan-95 | 27-Jan-98 | |
| 108 | Filipinas Drilling & Construction | MBA Cmpd. Bagumbong | Caloocan | Metro Manila | 19-Feb-04 | 19-Feb-04 | 20-Feb-07 | |
| 109 | Concon Well Drilling Construction | Booy District | Tagbilaran | Bohol | 29-Nov-91 | 29-Nov-91 | 30-Nov-94 | |
| 110 | W.K. Supply & General Machine Shop | #2 Pagdaicon St., Mabolo | Naga | Camarines Sur | 29-Nov-91 | 29-Nov-91 | 30-Nov-94 | |
| 111 | D.M. Deñoso Construction | San Pedro | Virac | Catanduanes | 29-Nov-91 | 29-Nov-91 | 30-Nov-94 | |
| 112 | Dexaco Trading | #8 Mabuhay St., Brgy. Central | Quezon | Metro Manila | 06-Dec-91 | 6-Dec-91 | 07-Dec-94 | |
| 113 | Uphill Construction | 87 E. Angeles St. | Naga | Camarines Sur | 12-Dec-91 | 12-Dec-91 | 13-Dec-94 | |
| 114 | Philvon J. Construction | Tres de Mayo St. | Minglanilla | Cebu | 12-Dec-91 | 12-Dec-91 | 13-Dec-94 | |
| 115 | C.B. Hoover Enterprise | 111 Araneta St. Airport | Bacolod | Negros Occ | 08-Dec-91 | 8-Dec-91 | 09-Dec-94 | |
| 116 | Jeff Construction | Pavillon 3, Panganiban Drive | Naga | Camarines Sur | 30-Jan-92 | 30-Jan-92 | 31-Jan-95 | |
| 117 | Jon Dy Construction | Pavillon 3, Panganiban Drive | Naga | Camarines Sur | 30-Jan-92 | 30-Jan-92 | 31-Jan-95 | |
| 118 | Lacea Well Drilling Services | Booy District | Tagbilaran | Bohol | 07-Feb-92 | 7-Feb-92 | 08-Feb-95 | |
| 119 | Landmark Countryside Builders | Sta. Cruz | Ligao | Albay | 18-Feb-92 | 18-Feb-92 | 19-Feb-95 | |
| 120 | ARO Construction | cor. Florante & Sampaguita Sts. | Legazpi | Albay | 24-Feb-92 | 24-Feb-92 | 25-Feb-95 | |
| 121 | JJ's Ching Enterprises | 48 Bliss Site, Dela Paz | Cortes | Bohol | 16-Mar-92 | 16-Mar-92 | 17-Mar-95 | |
| 122 | Sandrock Wells & Engineering Services | 473 E. Rodriquez Ave. ext. Cubao | Quezon | Metro Manila | 20-Mar-92 | 20-Mar-92 | 21-Mar-95 | |
| 123 | MIL Engineering & Well Drilling Services | 8454 Dr. A. Santos Sucat | Parañaque | Metro Manila | 25-Aug-03 | 25-Aug-03 | 26-Aug-06 | |
| 124 | Original Engineering Co. | #50 Kamuning Road | Quezon | Metro Manila | 30-Mar-92 | 30-Mar-92 | 31-Mar-95 | |
| 125 | Aqua Haus, Inc. | 115 Kamuning Road | Quezon | Metro Manila | 08-Jan-97 | 8-Jan-97 | 09-Jan-00 | |
| 126 | Arnulfo L. Mauleon Construction | 58 Mabini St. | Masbate | Masbate | 01-Apr-92 | 1-Apr-92 | 02-Apr-95 | |
| 127 | Geotechnics Phils., Inc. | #119 Sauyo Road, Sauyo, Novaliches | Quezon City | Metro Manila | 23-Jun-05 | 27-May-04 | 28-May-07 | |
| 128 | Alex Recuenco Construction & Supplies | Quezon St. Brgy. Acacia Crossing | Masbate | Masbate | 01-Jun-92 | 1-Jun-92 | 02-Jun-95 | |
| 129 | Flora V. delos Santos Construction | Zurbeto St. | Masbate | Masbate | 08-Jun-92 | 8-Jun-92 | 09-Jun-95 | |
| 130 | Maningo Enterprises | 76 V. Ranudo St. | Cebu | Cebu | 08-Jun-92 | 8-Jun-92 | 09-Jun-95 | |
| 131 | Rossman Construction & Well Drilling Co. | 533 Jane de Joyis St. BF | Quezon | Metro Manila | 11-Jun-92 | 11-Jun-92 | 12-Jun-95 | |
| 132 | HLA Construction | Poblacion, | Palanas | Masbate | 15-Jun-92 | 15-Jun-92 | 16-Jun-95 | |
| 133 | 2 Brothers Construction Enterprises | 121 Penafrancia Ave. | Naga | Camarines Sur | 22-Jun-92 | 22-Jun-92 | 23-Jun-95 | |
| 134 | Ravills Construction | Ibinigay | Masbate | Masbate | 25-Jun-92 | 25-Jun-92 | 26-Jun-95 | |
| 135 | S.A. Dejumo Construction | Jones St. San Jacinto | Masbate | Masbate | 01-Jul-92 | 1-Jul-92 | 02-Jul-95 | |
| 136 | Dolpen Construction | 5 Barangay F. Magallanes | Masbate | Masbate | 12-Jul-92 | 12-Jul-92 | 13-Jul-95 | |
| 137 | Civil Builder | Amparo Village | Tigaon | Camarines Sur | 12-Jul-92 | 12-Jul-92 | 13-Jul-95 | |
| 138 | Donber Construction & Supply | 2 Zone 4, Bagumbayan Sur | Naga | Camarines Sur | 13-Jul-92 | 13-Jul-92 | 14-Jul-95 | |
| 139 | Fieldman's Industrial Engineering & Machinery | Room 307 Delta Bldg., cor West Avenue | Quezon | Metro Manila | 13-Jul-92 | 13-Jul-92 | 14-Jul-95 | |
| 140 | Muy Bien Construction | 12 Briz Street, | Masbate | Masbate | 13-Jul-92 | 13-Jul-92 | 14-Jul-95 | |
| 141 | G.W. Drilling Services, Inc. | G. Deveyra Street, North Reclamation Area | Cebu | Cebu | 11-Aug-04 | 14-Jun-04 | 14-Jun-07 | |
| 142 | Goldline Construction Services | San Isidro Village | Virac | Catanduanes | 17-Jul-92 | 17-Jul-92 | 18-Jul-95 | |
| 143 | Drill Construkt, Inc. | 8454 Silangan Site, Dr. A. Santos Avenue | Parañaque | Metro Manila | 24-Jul-92 | 24-Jul-92 | 25-Jul-95 | |
| 144 | Antonio C. Betito Construction | 12E Monterey Concepcion Paquena | Naga | Camarines Sur | 27-Jul-92 | 27-Jul-92 | 28-Jul-95 | |
| 145 | Ariel Construction | 76-C danao | Masbate | Masbate | 13-Aug-92 | 13-Aug-92 | 14-Aug-95 | |
| 146 | Arte Well Drilling & Technical Services | 21 Matapang Street, Diliman | Quezon | Metro Manila | 17-Aug-92 | 17-Aug-92 | 18-Aug-95 | |
| 147 | Desco Inc. | 9th Flr., Metrobank Plaza bldg., Gil Puyat | Makati | Metro Manila | 30-Aug-95 | 30-Aug-95 | 31-Aug-98 | |
| 148 | Edilberto Dumdum | Brgy. Espinoza | Masbate | Masbate | 27-Aug-92 | 27-Aug-92 | 28-Aug-95 | |
| 149 | Andres T. Inot | Poblacion | Medellin | Cebu | 09-Sep-92 | 9-Sep-92 | 10-Sep-95 | |
| 150 | K. Construction | c/o Fiscal Pareja Cmpd. Padilla Street | Cebu | Cebu | 11-Sep-92 | 11-Sep-92 | 12-Sep-95 | |
| 151 | San Lucas Construction | San Lucas | Camaligan | Camarines Sur | 02-Oct-92 | 2-Oct-92 | 03-Oct-95 | |
| 152 | J.D. Lim Construction | 72 Quezon Street, Brgy. Centro | Masbate | Masbate | 09-Oct-92 | 9-Oct-92 | 10-Oct-95 | |
| 153 | Geo-Consult Ltd., Inc. | St. Martin Bldg., 17A West Point Street, Cubao | Quezon | Metro Manila | 16-Oct-92 | 16-Oct-92 | 17-Oct-95 | |
| 154 | VG Advento Construction | 32 A. Bonifacio Street, | Siniloan | Laguna | 22-Oct-92 | 22-Oct-92 | 23-Oct-95 | |
| 155 | Estanislao Plumbing Sales & Services | 751 EDSA, Malibay | Pasay | Metro Manila | 26-Oct-92 | 26-Oct-92 | 27-Oct-95 | |
| 156 | Drillfield Services & Consultancy, Inc. | 2nd Flr., Quemar Bldg., 1782 Narcisa Street | Makati | Metro Manila | 26-Oct-92 | 26-Oct-92 | 27-Oct-95 | |
| 157 | General Pump & Services Corp. | C | 32 Ersar Bldg., 2nd Flr, Quezon Avenue | Quezon | Metro Manila | 03-Nov-92 | 3-Nov-92 | 04-Nov-95 |
| 158 | Rogelio A. Dejucos Construction | Ibinigay Street, Balo | Masbate | Masbate | 03-Nov-92 | 3-Nov-92 | 04-Nov-95 | |
| 159 | Aquaterra Konstrukt, Inc. | Doña guadalupe bldg., 7462 Bagtikan Street, San Antonio Vill | Makati | Metro Manila | 11-Oct-02 | 11-Oct-02 | 12-Oct-05 | |
| 160 | Longakit Drilling Construction | Malayo Cortes | Bohol | 09-Nov-92 | 9-Nov-92 | 10-Nov-95 | ||
| 161 | Den Construction | San Juan | Camaligan | Camarines Sur | 11-Nov-92 | 11-Nov-92 | 12-Nov-95 | |
| 162 | Naga E.S. Construction & Supply | 22 Cocepcion | Naga | Camarines Sur | 11-Nov-92 | 11-Nov-92 | 12-Nov-95 | |
| 163 | R.F. Romualdo Well Drilling & Welding Shop | Pawili | Pili | Camarines Sur | 17-Nov-92 | 17-Nov-92 | 18-Nov-95 | |
| 164 | Hiyas Construction & Dev't. Corp. | C | Malhacan | Meycauyan | Bulacan | 18-Feb-03 | 18-Feb-03 | 19-Feb-06 |
| 165 | Roger C. Sano (RCS) Well Driller | Rosero Street | Masbate | Masbate | 19-Nov-92 | 19-Nov-92 | 20-Nov-95 | |
| 166 | VC Varin Construction & Hardware Supply | Vinzons Avenue | Daet | Camarines Norte | 27-Nov-92 | 27-Nov-92 | 28-Nov-95 | |
| 167 | RC Construction Supply | Elizondo Street, Pier Site | Legaspi | Albay | 27-Nov-92 | 27-Nov-92 | 28-Nov-95 | |
| 168 | M. Canet Construction | 23 Ilang-Ilang Street | Naga | Camarines Sur | 08-Dec-92 | 8-Dec-92 | 09-Dec-95 | |
| 169 | Macro Water Systems & Services, Inc. | 317 Oledan Bldg., Ayala Avenue | Makati | Metro Manila | 08-Dec-92 | 8-Dec-92 | 09-Dec-95 | |
| 170 | Markclay Philippines, Inc. | SMS Bldg., Gil Puyat Avenue | Makati | Metro Manila | 28-Mar-96 | 28-Mar-96 | 29-Mar-99 | |
| 171 | M.P. Vida Construction | San Fernando | Camarines Sur | 15-Dec-92 | 15-Dec-92 | 16-Dec-95 | ||
| 172 | V & V Construction & Supply | Cagabas Street | Labo | Camarines Norte | 15-Dec-92 | 15-Dec-92 | 16-Dec-95 | |
| 173 | Rayner N. Abelita Construction | 60 Estrella Street | Balud | Masbate | 18-Dec-92 | 18-Dec-92 | 19-Dec-95 | |
| 174 | Rodmark Drillers & Construction | RB Compound, Lomeda Subdivision | Naga | Camarines Sur | 08-Jan-93 | 8-Jan-93 | 09-Jan-96 | |
| 175 | Jing Marketing | 25 Barlin Street | Naga | Camarines Sur | 08-Feb-93 | 8-Feb-93 | 09-Feb-96 | |
| 176 | Fuchigami Construction & Boring Proprietary | 373 Cruz | La Trinidad | Benguet | 11-Oct-02 | 11-Oct-02 | 12-Oct-05 | |
| 177 | Riva Construction | 431 Fatima Street | Cebu | Cebu | 23-Mar-93 | 23-Mar-93 | 24-Mar-96 | |
| 178 | Dimpas & Sons Well Drilling Services | Pahamutang Matiao | Davao Oriental | 17-Sep-97 | 17-Sep-97 | 18-Sep-00 | ||
| 179 | Mig-Wells Construction Corp. | C | Quezon | Metro Manila | 13-Nov-02 | 13-Nov-02 | 14-Nov-05 | |
| 180 | G.A. Pervera Construction | 2138 Tramo Street | Pasay | Metro Manila | 20-Apr-93 | 20-Apr-93 | 21-Apr-96 | |
| 181 | R.A. Fernandez Well Drilling | 229 T. Santiago Street | Valenzuela | Metro Manila | 07-May-93 | 7-May-93 | 08-May-96 | |
| 182 | A.R.L. Machine Shop | CPG North Avenue | Tagbilaran | Bohol | 18-Mar-96 | 18-Mar-96 | 19-Mar-99 | |
| 183 | Samara Union Dev't. Corp. | C | Lot 39-A Malonggay Road, FTI Complex | Taguig | Metro Manila | 20-May-93 | 20-May-93 | 21-May-96 |
| 184 | N.Del Carmen Well Driller | Blk. 1F, Lot 60 Camachile st., Cielito Homes, Nov | Quezon | Metro Manila | 10-Dec-04 | 29-Jun-02 | 29-Jun-05 | |
| 185 | J.C. Manuel Trading & Services | 2484 Decena Street | Pasay | Metro Manila | 29-Oct-99 | 29-Oct-99 | 30-Oct-02 | |
| 186 | Certeza Geophysical Exploration, Inc. | 299 Tandang Sora Avenue, Kalaw Hills | Quezon | Metro Manila | 03-Jul-02 | 3-Jul-02 | 02-Jul-05 | |
| 187 | Jay-Ar Drilling Construction | 454 Pamukid, | San Fernando | Camarines Sur | 12-Jul-93 | 12-Jul-93 | 13-Jul-96 | |
| 188 | J. Esmilla Well Drilling Services | Lot 2 blk 15 Casa de Monteverde Homes | GMA | Cavite | 26-May-03 | 26-May-03 | 27-May-06 | |
| 189 | Domarax Construction & Dev't. | 602-B V. Rama Avenue, | Calamba | Laguna | 21-Jul-93 | 21-Jul-93 | 22-Jul-96 | |
| 190 | Earth Water Engineering Services | 19 Nivel Hills, Lahug | Cebu | Cebu | 09-Aug-93 | 9-Aug-93 | 10-Aug-96 | |
| 191 | JM Brenton Industries Corp. | C | 2nd Flr JM bldg., S. Superhiway cor Rockfeller | Makati | Metro Manila | 06-Sep-02 | 6-Sep-02 | 07-Sep-05 |
| 192 | Erick Construction | 30 Malaya Street, N.S. Amorante | Quezon | Metro Manila | 13-Sep-93 | 13-Sep-93 | 14-Sep-96 | |
| 193 | V.S. Cuello Construction | Blossomville Subd., | Tarlac | Tarlac | 01-Oct-93 | 1-Oct-93 | 02-Oct-96 | |
| 194 | Julie-Hnan Construction & Supply | 129 Baras | Canaman | Camarines Sur | 18-Oct-93 | 18-Oct-93 | 19-Oct-96 | |
| 195 | Drill My Well Enterprises | 11 R. Palma Street, Xavierville, Loyola hts. | Quezon | Metro Manila | 26-Mar-98 | 26-Mar-98 | 27-Mar-01 | |
| 196 | Benguet Builders | 23 upper Brookside | Baguio | Benguet | 03-Nov-92 | 3-Nov-92 | 04-Nov-95 | |
| 197 | B. Luna Trading | malvar Street | Lipa | Batangas | 03-Nov-92 | 3-Nov-92 | 04-Nov-95 | |
| 198 | Phil-Japan Marinesky Dev't. Corp. | C | Pook Buenavista | Marinduque | 10-Nov-93 | 10-Nov-93 | 11-Nov-96 | |
| 199 | Aqua Drill, Inc. | 8736 Topacio St., Marcelo Green Village, | Parañaque | Metro Manila | 05-Aug-05 | 14-Nov-02 | 15-Nov-05 | |
| 200 | Baldomer B. Canaway Construction | Nursery Street | Masbate | 15-Nov-93 | 15-Nov-93 | 16-Nov-96 | ||
| 201 | Angat Machineries & Equipment Corp. | C | Rm 402 Vagasons Realty Bldg. 2151, Pasong Tamo | Makati | Metro Manila | 29-Nov-93 | 29-Nov-93 | 30-Nov-96 |
| 202 | United Builders | 77 V. Rama Avenue | Cebu | Cebu | 22-Nov-93 | 22-Nov-93 | 23-Nov-96 | |
| 203 | Ubel Construction | Silver Street, Riva Ridge Tisa | Cebu | Cebu | 14-Feb-93 | 14-Feb-93 | 15-Feb-96 | |
| 204 | N.Y. Ong Construction Firm | 59 dela Rama Drive, Ceby Heights Subdivision | Bacolod | Negros Occ | 14-Feb-93 | 14-Feb-93 | 15-Feb-96 | |
| 205 | Equi-Parco Construction Co. | 12 Don Faustino Street, Capitol District, Kapalaran Sub | Quezon | Metro Manila | 14-Feb-93 | 14-Feb-93 | 15-Feb-96 | |
| 206 | M.J. Apin Builders | 4-d Barlin Street | Naga | Camarines Sur | 24-Feb-93 | 24-Feb-93 | 25-Feb-96 | |
| 207 | A. Teston Jr. Construction | San Isidro Village | Virac | Catanduanes | 24-Feb-93 | 24-Feb-93 | 25-Feb-96 | |
| 208 | Delos Santos Drilling Services | Lot 8 Red Street, Goodwill 2, Sucat | Parañaque | Metro Manila | 20-Nov-00 | 20-Nov-00 | 21-Nov-03 | |
| 209 | N. Samar Well Drilling & Water Supply Multi-Purpose Coop. | Calachuchi | Catarman | N. Samar | 03-Mar-93 | 3-Mar-93 | 04-Mar-96 | |
| 210 | Asian Drilling & Pumps | 1023 Avecilla Ext., near cor. Marquez & Bennet Sts., BF resort | Las Piñas | Metro Manila | 08-Jul-03 | 8-Jul-03 | 07-Jul-06 | |
| 211 | Philippine Pumps & Machinery Corp. | C | 446 E. de los Santos Avenue | Pasay | Metro Manila | 15-Mar-01 | 15-Mar-01 | 16-Mar-04 |
| 212 | FAS Construction & Hardware Supply | Ibinigay Street, Balo | Masbate | Masbate | 14-Mar-93 | 14-Mar-93 | 15-Mar-96 | |
| 213 | Maple-Leaf Exclusive Trade Center & Eng'g. Equipment Inc. | 778 San Rafael Street, Barangay Plainview | Mandaluyong | Metro Manila | 24-May-04 | 7-May-04 | 7-May-07 | |
| 214 | Rodolfo R. Estrella Construction | CTI Compound, F. Magallanes | Masbate | Masbate | 16-Mar-94 | 16-Mar-94 | 17-Mar-97 | |
| 215 | Ermor Construction | 31 Ibañez Street | Masbate | Masbate | 23-Mar-94 | 23-Mar-94 | 24-Mar-97 | |
| 216 | Jose Enterprises | 34-1 Airport road | Tagbilaran | Bohol | 25-Mar-94 | 25-Mar-94 | 26-Mar-97 | |
| 217 | Auriol Construction | Daet | Camarines Norte | 07-Apr-94 | 7-Apr-94 | 08-Apr-97 | ||
| 218 | AIS Drilling Specialist | Pacheco Street | Tondo | Metro Manila | 07-Apr-94 | 7-Apr-94 | 08-Apr-97 | |
| 219 | AR Adlawan Construction | Lipata | Minglanilla | Cebu | 21-Apr-94 | 21-Apr-94 | 22-Apr-97 | |
| 220 | Power Supply & Well Management Corp. | C | 375 San Rafael Street | Mandaluyong | Metro Manila | 22-Apr-03 | 22-Apr-03 | 21-Apr-06 |
| 221 | Steve T. Orticio Construction | Canomay | Dimasalang | Masbate | 29-Apr-94 | 29-Apr-94 | 30-Apr-97 | |
| 222 | Saint-Port Machinery & Drilling Corp. | C | Rm. 38 Rubille Bldg., 748 EDSA | Quezon | Metro Manila | 01-Jun-94 | 1-Jun-94 | 02-Jun-97 |
| 223 | GLA building Construction | Brgy. Camambugan | Daet | Camarines Norte | 02-Jun-94 | 2-Jun-94 | 03-Jun-97 | |
| 224 | DRPM Contracting Services | 111 Garnet Dr. St. Francis Homes | Meycauyan | Bulacan | 06-Jun-94 | 6-Jun-94 | 07-Jun-97 | |
| 225 | Samson Deepwell Drilling | Opal Street, Singcang Airport | Bacolod | Negros Occ | 26-Jun-97 | 26-Jun-97 | 27-Jun-00 | |
| 226 | GPM Inc. | Liroville Subd., Singcang | Bacolod | Negros Occ | 12-Mar-04 | 12-Mar-04 | 13-Mar-07 | |
| 227 | R.A. Hernandez Sub-Surface Invtn & Stabilization Tech. Ser. | 111 Tokyo Street, Green park Subd., Manggahan | Pasig | Metro Manila | 21-Jun-94 | 21-Jun-94 | 22-Jun-97 | |
| 228 | Madanding Wells & Pumps Enterprises | 197 4th Street, Brgy. Itoly Spirit BF road | Quezon | Metro Manila | 6-Dec-04 | 5-Nov-03 | 5-Nov-06 | |
| 229 | MAD General Drilling & Engineering Services | 28 Scout Chuatoco, Roxas district | Quezon | Metro Manila | 08-Jun-94 | 8-Jun-94 | 09-Jun-97 | |
| 230 | Mining & Petroleum Services Corp. | C | 18 Ormoc Street, Alabang Hills Village | Muntinlupa | Metro Manila | 07-Jul-94 | 7-Jul-94 | 08-Jul-97 |
| 231 | Czier Designs & Construction | 51 Solid Street cor. Ilang-Ilang Street, Dayangdang | Naga | Camarines Sur | 04-Aug-94 | 4-Aug-94 | 05-Aug-97 | |
| 232 | Sunriser Construction Works | 144 Quezon Street | Masbate | Masbate | 05-Aug-94 | 5-Aug-94 | 06-Aug-97 | |
| 233 | AMG Drilling & Construction, Inc. | 91-D 18th Avenue, Murphy | Quezon | Metro Manila | 23-Apr-98 | 23-Apr-98 | 24-Apr-01 | |
| 234 | Vir Fran Well Drilling and Trading Corporation | C | 332 Bo. Kaybiga | Kalookan | Metro Manila | 19-Sep-94 | 19-Sep-94 | 20-Sep-97 |
| 235 | Stillwaters Construction | 50 Banana Street, Potrero | Malabon | Metro Manila | 21-Sep-94 | 21-Sep-94 | 22-Sep-97 | |
| 236 | RKS General Services | 258-N Sto. Niño Street, Sambag II | Cebu | Cebu | 26-Sep-94 | 26-Sep-94 | 27-Sep-97 | |
| 237 | JCC Well Drilling & Services | Lot 10, Franville III, Zabarte Road, Brgy. Kaligayahan, Nov. | Quezon | Metro Manila | 09-Jun-05 | 9-Sep-03 | 10-Sep-06 | |
| 238 | Acoje Hydrometrics, Inc. | Suite 13-I Malakas Street, Piñahan, Diliman | Quezon | Metro Manila | 07-Oct-94 | 7-Oct-94 | 08-Oct-97 | |
| 239 | Colina Construction | Cor. Domingo and Zurbito Street, Patinig | Masbate | 18-Oct-94 | 18-Oct-94 | 19-Oct-97 | ||
| 240 | Demosthenes Delos Santos Construction | Tara Street, Patinig | Masbate | 10-Oct-94 | 10-Oct-94 | 11-Oct-97 | ||
| 241 | Lofranco Drilling Construction | Lapacan Sur | Inabanga | Bohol | 13-Oct-94 | 13-Oct-94 | 14-Oct-97 | |
| 242 | Aqulife Drilling & Dev't. Corp. | C | 91-J Dr. Lazcano Street | Quezon | Metro Manila | 13-Nov-97 | 13-Nov-97 | 14-Nov-00 |
| 243 | The Tuscan Structures & Supplies | 549 J.P. Rizal cor. E. Aguinaldo Street | Catarman | Northern Samar | 26-Oct-94 | 26-Oct-94 | 27-Oct-97 | |
| 244 | JSA Construction | 676 La Purisima Street | Goa | Camarines Sur | 21-Nov-94 | 21-Nov-94 | 22-Nov-97 | |
| 245 | Speed Drill Engineering Trade | Cag de Oro | Misamis Oriental | 20-Dec-94 | 20-Dec-94 | 21-Dec-97 | ||
| 246 | R.A. Perez General Contractor & Enterprises | Brgy. Bolbok | Batangas | Batangas | 10-Feb-05 | 14-Jun-04 | 14-Jun-07 | |
| 247 | GCF Fetalvero Construction & Enterprises | Arrieta Subdivision | Batangas | 05-Jan-95 | 5-Jan-95 | 06-Jan-98 | ||
| 248 | Rossman Construction & Well Drilling Co. | 7 Jane de Joya Street, BFRV | Las Piñas | Metro Manila | 05-Jan-95 | 5-Jan-95 | 06-Jan-98 | |
| 249 | CT Deepwell Drilling & Machinery Enterprises | Hibao-an Norte | Mandurriao | Iloilo | 17-Aug-04 | 30-Jul-04 | 30-Jul-07 | |
| 250 | Deepwater Drilling, Inc. | Rms 2 & 3 2nd Flr Umerez Property Bldg., Lopez | Parañaque | Metro Manila | 18-Feb-98 | 18-Feb-98 | 19-Feb-01 | |
| 251 | A-1 Natiowide Trading Corp. | C | Lajog | Clarin | Bohol | 19-Jan-95 | 19-Jan-95 | 20-Jan-98 |
| 252 | VAM Construction | Baseline Complex Juana Osmeña Street | Cebu | Cebu | 01-Aug-01 | 1-Aug-01 | 02-Aug-04 | |
| 253 | V.A. Agapay Gen. Services of Spring Dev't. & Const. of DW | D. Liwa Candao Street | Cotobato | Maguindanao | 19-Jan-95 | 19-Jan-95 | 20-Jan-98 | |
| 254 | D.A. Dejumo Construction | Bailon Street, San Jacinto | Masbate | 25-Jan-95 | 25-Jan-95 | 26-Jan-98 | ||
| 255 | Preferred Drilling Construction | Parañaque | Metro Manila | 27-Jan-95 | 27-Jan-95 | 28-Jan-98 | ||
| 256 | Alher Traders & Construction | 16 Mahinhin Street, U.P. village | Quezon | Metro Manila | 27-Jan-95 | 27-Jan-95 | 28-Jan-98 | |
| 257 | RCG Water Resources & Well Drillers Enterprises | Ortigas Avenue Ext. cor Mapandan Road | Cainta | Rizal | 18-May-98 | 18-May-98 | 19-May-01 | |
| 258 | Bandelaria Deepwell Drilling Enterprises | Ibinigay Street | Masbate | Masbate | 07-Nov-01 | 7-Nov-01 | 08-Nov-04 | |
| 259 | E and D Engineering & Trading | St. Chorbel Village, Mindanao Avenue, Tandang Sora | Quezon | Metro Manila | 08-Mar-95 | 8-Mar-95 | 09-Mar-98 | |
| 260 | JRR Well Drilling Services | Valuenzuela | Metro Manila | 08-Mar-95 | 8-Mar-95 | 09-Mar-98 | ||
| 261 | Invictus Construction Works Corp. | C | Diliman | Quezon | Metro Manila | 06-Jun-95 | 6-Jun-95 | 07-Jun-98 |
| 262 | Negros Rotadrill Corp. | C | Mandalagan | Bacolod City | Negros Occ | 03-May-04 | 2-May-04 | 2-May-07 |
| 263 | Sadri Construction | La Union | 19-Apr-95 | 19-Apr-95 | 20-Apr-98 | |||
| 264 | Advanced Well Drilling & Engineering Services | #63 Manila Times Village, Pamplona | Las Piñas | Metro Manila | 18-Nov-04 | 30-Sep-04 | 30-Sep-07 | |
| 265 | Roctest Machinery & Drilling Corp. | C | San Juan | Metro Manila | 16-Apr-99 | 16-Apr-99 | 17-Apr-02 | |
| 266 | VIP Drilling & Machinery Company | #426 Matahimik Street, Sta. Cruz | Sta. Maria | Bulacan | 01-Apr-05 | 27-May-05 | 28-May-08 | |
| 267 | Shallow Tubewell Drilling Team, BSWM | Diliman | Quezon | Metro Manila | 30-May-95 | 30-May-95 | 31-May-98 | |
| 268 | Regional Engineering Core Group, DAR (RFO-1, La Union) | RFO-I La Union | La Union | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 269 | Regional Engineering Core Group, DAR (RFO-2, Cagayan) | RFO-II Cag | Cagayan | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 270 | Regional Engineering Core Group, DAR (RFO-3, Pampanga) | RFO-III Pam | Pampanga | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 271 | Regional Eng'g Core Group, DAR (RFO-4, Quezon City) | RFO-IVQuezon | Metro Manila | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 272 | Regional Engineering Core Group, DAR (RFO-5, Cam Sur) | RFO-V Cam Sur | Camarines Sur | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 273 | Regional Engineering Core Group, DAR (RFO-6, Iloilo City) | RFO-VI Iloilo | Iloilo | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 274 | Regional Engineering Core Group, DAR (RFO-7, Cebu City) | RFO-VII Cebu | Cebu | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 275 | Regional Engineering Core Group, DAR (RFO-8, Tac City) | RFO-VIII Tac | Leyte | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 276 | Regional Engineering Core Group, DAR (RFO-9, Zam City) | RFO-IX Zam | Zam del Sur | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 277 | Regional Eng'g Core Group, DAR (RFO-10, Cag de Oro City) | RFO-XCagdeOro | Misamis Oriental | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 278 | Regional Eng'g Core Group, DAR (RFO-11, Davao City) | RFO-XI Davao | Davao del Sur | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 279 | Regional Eng'g Core Group, DAR (RFO-12, Cotabato City) | RFO-XII Cot | Maguindanao | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 280 | Regional Eng'g Core Group, DAR (RFO-CAR, Baguio City) | RFO-CAR Baguio | Benguet | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 281 | Regional Eng'g Core Group, DAR (RFO-ARMM, Cot City) | RFO-ARMM Cot | Maguindanao | 30-May-95 | 30-May-95 | 31-May-98 | ||
| 282 | R.B. Rivera Well Drilling & General Merchandize | 73 Abangan Sur | Marilao | Bulacan | 24-May-04 | 17-May-04 | 17-May-07 | |
| 283 | Leo's Well Drillers | Bohol | 06-Jun-95 | 6-Jun-95 | 07-Jun-98 | |||
| 284 | Provincial Shallow Tubewell Team, OPAgr (Pangasinan) | Pangasinan | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 285 | Provincial Shallow Tubewell Team, OPAgr (Ilocos Norte) | Ilocos Norte | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 286 | Provincial Shallow Tubewell Team, OPAgr (Ilocos Sur) | Ilocos Sur | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 287 | Provincial Shallow Tubewell Team, OPAgr (La Union) | La Union | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 288 | Provincial Shallow Tubewell Team, OPAgr (Cagayan) | Cag de Oro | Misamis Oriental | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | ||
| 289 | Provincial Shallow Tubewell Team, OPAgr (Isabela) | Isabela | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 290 | Provincial Shallow Tubewell Team, OPAgr (Tarlac) | Tarlac | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 291 | Provincial Shallow Tubewell Team, OPAgr (Pampanga) | Pampanga | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 292 | Provincial Shallow Tubewell Team, OPAgr (Bulacan) | Bulacan | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 293 | Provincial Shallow Tubewell Team, OPAgr (Nueva Ecija) | Nueva Ecija | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 294 | Provincial Shallow Tubewell Team, OPAgr (Zambales) | Zambales | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 295 | Provincial Shallow Tubewell Team, OPAgr (Bataan) | Bataan | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 296 | Provincial Shallow Tubewell Team, OPAgr (Quezon) | Quezon | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 297 | Provincial Shallow Tubewell Team, OPAgr (Batangas) | Batangas | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 298 | Provincial Shallow Tubewell Team, OPAgr (Camarines Sur) | Camarines Sur | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 299 | Provincial Shallow Tubewell Team, OPAgr (Sorsogon) | Sorsogon | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 300 | Provincial Shallow Tubewell Team, OPAgr (Antique) | Antique | 14-Jun-95 | 14-Jun-95 | 15-Jun-98 | |||
| 301 | Provincial Shallow Tubewell Team, OPAgr (Aklan) | Kalibo | Aklan | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 302 | Provincial Shallow Tubewell Team, OPAgr (Capiz) | Roxas | Capiz | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 303 | Provincial Shallow Tubewell Team, OPAgr (Iloilo) | Iloilo | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | |||
| 304 | Provincial Shallow Tubewell Team, OPAgr (Bohol) | Tagbilaran | Bohol | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 305 | Provincial Shallow Tubewell Team, OPAgr (Leyte) | Tacloban | Leyte | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 306 | Provincial Shallow Tubewell Team, OPAgr (Zam del Sur) | Pagadian | Zam del Sur | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 307 | Provincial Shallow Tubewell Team, OPAgr (South Cotabato) | Koronadal | South Cotobato | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 308 | Provincial Shallow Tubewell Team, OPAgr (Davao del Norte) | Tagum | Davao del Norte | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 309 | Provincial Shallow Tubewell Team, OPAgr (North Cotabato) | Amas | Kidapawan | Noth Cotobato | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | |
| 310 | Provincial Shallow Tubewell Team, OPAgr (Kalinga Apayao) | Tabuk | Kalinga-Apayao | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 311 | Provincial Shallow Tubewell Team, OPAgr (Abra) | Bangued Abra | Abra | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 312 | Provincial Shallow Tubewell Team, OPAgr (Bukidnon) | Malaybalay | Bukidnon | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 313 | Provincial Shallow Tubewell Team, OPAgr (Butuan) | Butuan City | Agusan del Norte | 14-Jun-95 | 14-Jun-95 | 13-Jun-98 | ||
| 314 | Padilla Drilling Services | Anas | Valencia | Bohol | 21-Jun-95 | 21-Jun-95 | 20-Jun-98 | |
| 315 | San Pedro General Merchandise | Km. 30 National Highway | San Pedro | Laguna | 24-Jun-03 | 24-Jun-03 | 23-Jun-06 | |
| 316 | Mapsulu Drilling & Services | #7815 Navarro St., Maligaya Park, Novaliches | Caloocan | Metro Manila | 27-Jul-05 | 11-Sep-04 | 12-Sep-07 | |
| 317 | Integrated Agro-Industrial Water Systems Co. | 499 S. Templo Street Brgy. II-A, | Mataas na Kahoy | Batangas | 12-Jan-05 | 2-Jul-03 | 2-Jul-06 | |
| 318 | Aqua Oro Well Drilling | Ilang-ilang St., Lillesville Subd., Lawa | Meycauayan | Bulacan | 03-Aug-95 | 3-Aug-95 | 02-Aug-98 | |
| 319 | RKX Odiamar Construction | San Agustin | Cananaman | Camarines Sur | 03-Aug-95 | 3-Aug-95 | 02-Aug-98 | |
| 320 | A to Z Water Co., Inc. | Katigbak Compound, Bo. Banay-Banay | Lipa | Batangas | 14-Sep-01 | 14-Sep-01 | 13-Sep-04 | |
| 321 | Jareen Drilling & Construction Supply | Poblacion | Cataingan | Masbate | 20-Sep-95 | 20-Sep-95 | 19-Sep-98 | |
| 322 | G & R Construction Dev't. & Trading, Inc. | 81 Dr. A. Santos Avenue, Sucat | Parañaque | Metro Manila | 21-Sep-95 | 21-Sep-95 | 20-Sep-98 | |
| 323 | Giljan Construction Works | Medina Street | Masbate | Masbate | 26-Sep-95 | 26-Sep-95 | 25-Sep-98 | |
| 324 | Loreto's Well Drilling Construction | Tagum Norte | Trinidad | Bohol | 03-Oct-95 | 3-Oct-95 | 02-Oct-98 | |
| 325 | Equipment & Construction Phil. Co., Inc. | Bgy. Bagong Silang, Malhacan | Meycauayan | Bulacan | 03-Oct-95 | 3-Oct-95 | 02-Oct-98 | |
| 326 | Best Well Drilling Corp. | C | Batangas | 04-Oct-95 | 4-Oct-95 | 05-Oct-98 | ||
| 327 | Lorjun Construction | Pinamarbuhan | Mobo | Masbate | 11-Oct-95 | 11-Oct-95 | 10-Oct-98 | |
| 328 | Jaiden Dev't. & Construction | Tiongson Subdivision | Ibingay | Masbate | 19-Oct-95 | 19-Oct-95 | 18-Oct-98 | |
| 329 | Benguet Corp. | C | 12 San Miguel Avenue | Mandaluyong | Metro Manila | 20-Jan-99 | 20-Jan-99 | 19-Jan-02 |
| 330 | Anhui-Alma Jose Hydrogeologic & Well Drilling Co., Inc. | 430 E. Rodriguez Ave., Cubao | Quezon | Metro Manila | 25-Nov-95 | 25-Nov-95 | 24-Nov-98 | |
| 331 | Bulac Well Drilling Construction | Oy | Loboc | Bohol | 29-Dec-95 | 29-Dec-95 | 28-Dec-98 | |
| 332 | ABC Drilling & Construction of Artesian Well | Canmanico | Valencia | Bohol | 29-Dec-95 | 29-Dec-95 | 28-Dec-98 | |
| 333 | Merit Construction | 239 Severo Castillo Street | Mobo | Masbate | 25-Jan-96 | 26-Jan-96 | 25-Jan-99 | |
| 334 | Chrishiane Construction | Matungao | Masbate | Masbate | 30-Jan-96 | 30-Jan-96 | 29-Jan-99 | |
| 335 | James Well Drilling Construction | South Batuan, Bentig | Calape | Bohol | 02-Feb-96 | 2-Feb-96 | 01-Feb-99 | |
| 336 | VMA Drilling Services | Bo Bancal | Carmona | Cavite | 14-Feb-96 | 14-Feb-96 | 13-Feb-99 | |
| 337 | C. Ubaldo Geotechnical Services | 7K-6th Kamias | Quezon | Metro Manila | 19-Feb-96 | 19-Feb-96 | 18-Feb-99 | |
| 338 | Countryside Drilling & Dev't. Corp. | C | 1762 Bambang Street, Sta. Cruz | Manila | Metro Manila | 29-Feb-96 | 29-Feb-96 | 28-Feb-99 |
| 339 | Explorer Drilling Services, Phils. | 65 Santol St., Saint Anthony Subd. Taytay | Parañaque | Metro Manila | 23-Sep-02 | 23-Sep-02 | 22-Sep-05 | |
| 340 | ECA Hydro Dyene Wells & Pumps | 2297 Juan Luna Street Tondo | Manila | Metro Manila | 11-Mar-96 | 11-Mar-96 | 10-Mar-99 | |
| 341 | Countryside Water Resource Dev't. | 22 Avalon Street, North Fairview | Quezon | Metro Manila | 28-Mar-96 | 28-Mar-96 | 27-Mar-99 | |
| 342 | Double "H" Well Drilling Contractor & Machineries | Araneta Street | Bacolod | Negros Occ | 13-Jan-04 | 13-Jan-04 | 12-Jan-07 | |
| 343 | St. Joseph The Carpenter Construction | 744 San Benito Street, Barangay San Benito | Goa | Camarines Sur | 16-Apr-96 | 16-Apr-96 | 15-Apr-99 | |
| 344 | Natural Resources Dev't. Corp. | C | 3rd Flr SRA Annex Building, North Ave. Diliman | Quezon | Metro Manila | 19-Apr-96 | 19-Apr-96 | 18-Apr-99 |
| 345 | Earthwork & Engineering Equipment Co., Inc. | 5 Aguinaldo & Magsaysay St. TS. Cruz Subd | Novaliches | Metro Manila | 12-Aug-99 | 12-Aug-99 | 11-Aug-02 | |
| 346 | Lucky Seven Drilling Service | 57/F Pacaña St. | Labangon | Cebu | 28-Mar-03 | 28-Mar-03 | 27-Mar-06 | |
| 347 | Idos Core, Inc. | 93-B-2 FTI Agro-Ind'l-Com'l Bagsakan Road | Taguig | Metro Manila | 09-Jun-99 | 9-Jun-99 | 08-Jun-02 | |
| 348 | Lorenza Well Drilling Enterprises | 7 Camia St., Happy Site Subd., Marulas | Valenzuela | Metro Manila | 23-Aug-02 | 23-Aug-02 | 22-Aug-05 | |
| 349 | R. Aquino Well Drilling Services | San Isidro Village | Virac | Catanduanes | 19-Jun-96 | 19-Jun-96 | 18-Jun-99 | |
| 350 | Gregorio L. Inciong Construction | 129 Dimayuga Street Mataas na Kahoy | Batangas | 03-Dec-01 | 3-Dec-01 | 02-Dec-04 | ||
| 351 | SDR Engineering Enterprises | San Juan | Virac | Catanduanes | 16-Jul-96 | 16-Jul-96 | 15-Jul-99 | |
| 352 | N.G. Oliveros General Deepwell Drilling Services | 13 De Castro St., Brgy. Sta Lucia | Pasig | Metro Manila | 06-Sep-02 | 6-Sep-02 | 05-Sep-05 | |
| 353 | P. San Jose Well Drilling & Construction | Km. 22 McArthur Highway, Poblacion II | Marilao | Bulacan | 20-Jul-96 | 20-Jul-96 | 19-Jul-99 | |
| 354 | Drill Mechanics Inc. | 3351 Palosapis St., United Parañaque Subd. 11 | Parañaque | Metro Manila | 07-Jun-04 | 15-Aug-02 | 15-Aug-05 | |
| 355 | First Asian Standard Drilling Co., Inc. | 1805 B PSEC East Tower Ortigas Center | Pasig | Metro Manila | 13-Aug-96 | 13-Aug-96 | 12-Aug-99 | |
| 356 | R.C. de Honor Well Drilling | 7 Arasity Avenue, Tinajeros Malabon | Manila | Metro Manila | 02-Dec-99 | 2-Dec-99 | 01-Dec-02 | |
| 357 | Valenzuela Well Drilling | No. 10 Jacinto, Conception Village, Marulas | Valenzuela | Metro Manila | 09-Aug-99 | 9-Aug-99 | 08-Aug-02 | |
| 358 | Macro Water Systems & Services, Inc. | Rm. 606 Oledan Building Ayala Avenue | Makati | Metro Manila | 27-Sep-96 | 27-Sep-96 | 26-Sep-99 | |
| 359 | RFL Construction | General Luna Street Sabang | Lipa | Batangas | 09-Mar-01 | 9-Mar-01 | 08-Mar-04 | |
| 360 | Annwell Enterprises | 110 Barangay Bigaa | Cabuyao | Laguna | 09-Oct-96 | 9-Oct-96 | 08-Oct-99 | |
| 361 | Señor Construction | Inayagan | Naga | Cebu | 25-Sep-00 | 25-Sep-00 | 24-Sep-03 | |
| 362 | Ledesma Hermanos Agricultural Corp. | C | Had. Fortuna, Buluangan | San Carlos | Negros Occ | 19-Feb-01 | 19-Feb-01 | 18-Feb-04 |
| 363 | VSE Deepwell Pumps Services | Carreon Village, San Bartolome Novaliches | Quezon | Metro Manila | 18-Nov-96 | 18-Nov-96 | 17-Nov-99 | |
| 364 | Prime Well Engineering | Room 5A D'Carr Building, 10th Avenue, | Caloocan | Metro Manila | 07-Apr-05 | 19-Nov-03 | 19-Nov-06 | |
| 365 | Inabanga Drilling Construction Steel Fabrication & Gen. Merch | San Isidro | Inabanga | Bohol | 09-Dec-96 | 9-Dec-96 | 08-Dec-99 | |
| 366 | D.C. pamintuan Well Drilling & Trading | 017 McArthur Highway | Marilao | Bulacan | 03-Mar-03 | 3-Mar-03 | 02-Mar-06 | |
| 367 | Unidrill Corp. | C | Rm. 508 MEC Bldg., Herrera cor, Alfaro St.Salcedo Vill. | Makati | Metro Manila | 05-Feb-97 | 5-Feb-97 | 04-Feb-00 |
| 368 | Mud Logger Drill Center | 1727 Escuela, Guadalupe | Makati | Metro Manila | 18-Feb-97 | 18-Feb-97 | 17-Feb-00 | |
| 369 | HP Drilling & Industrial Supply | Princess C. Chateau, No. 6 Lakandula St., Marikina Hts., | Marikina | Metro Manila | 26-Mar-03 | 26-Mar-03 | 25-Mar-06 | |
| 370 | SLB Trading & Pump Specialist | 506 Canteras Street | Mandaluyong | Metro Manila | 11-Feb-03 | 11-Feb-03 | 10-Feb-06 | |
| 371 | AMM Construction | Mabini Homes Subd., Granja | Lipa | Batangas | 20-Jun-00 | 20-Jun-00 | 19-Jun-03 | |
| 372 | R. Almero Well Drilling | 14 Philand Ext., Pasong Tamo, Tandang Sora | Quezon | Metro Manila | 17-Mar-97 | 17-Mar-97 | 16-Mar-00 | |
| 373 | Speed Drill Construction & Trading, Inc. | Kolambog Gusa, Fronting CCC Hospital National Hway | Cagayan de Oro | Misamis Or | 14-Sep-01 | 14-Sep-01 | 13-Sep-04 | |
| 374 | Kosta-Phil., Inc. | 77 Panay Avenue, Diliman | Quezon | Metro Manila | 20-May-97 | 20-May-97 | 19-May-00 | |
| 375 | HD (Hongdrill) Engineering Equipment, Inc. | Regina Bldg., Escolta | Binondo | Metro Manila | 14-Jul-97 | 14-Jul-97 | 13-Jul-00 | |
| 376 | VAC Construction & Dev't., Inc. | No. 329 M.F. Jhocson St., Sampaloc | Manila | Metro Manila | 06-Oct-00 | 6-Oct-00 | 05-Oct-03 | |
| 377 | Industrial Inspection (International), Inc. | 1175 MJL Bldg., Pasong Tamo St. | Makati | Metro Manila | 21-Jul-03 | 21-Jul-03 | 20-Jul-06 | |
| 378 | V.C. ponce Co., Inc. | 87 Bonnie Serrano Ave., Bagong Lipunan | Quezon | Metro Manila | 07-Aug-97 | 7-Aug-97 | 06-Aug-00 | |
| 379 | Geotechnical Soil Testing & Deepwell Drilling Services | 81 Sucat Road, San Antonio | Manila | Metro Manila | 15-Aug-97 | 15-Aug-97 | 14-Aug-00 | |
| 380 | GeoEx Drilling Corp. | C | Antonia Center Bldg., 94 Kamuning Road | Quezon | Metro Manila | 18-Sep-97 | 18-Sep-97 | 17-Sep-00 |
| 381 | C.B. Garay Philwide builders | 88 Mabilis Street, Diliman | Quezon | Metro Manila | 31-Mar-04 | 31-Mar-04 | 30-Mar-07 | |
| 382 | DVMJ Builders & Deepwell Drilling Services | 23 Malambing Street, U.P. Village | Quezon | Metro Manila | 17-Sep-97 | 17-Sep-97 | 16-Sep-00 | |
| 383 | Peoples Water System & Supply | 132 Nepa Hi-way, San Vicente | Biñan | Laguna | 25-Sep-00 | 25-Sep-00 | 24-Sep-03 | |
| 384 | RS Reyes Well Drilling | 39 Del Carmen Village, Sumapang Matanda | Malolos | Bulacan | 07-Oct-00 | 7-Oct-00 | 06-Oct-03 | |
| 385 | Arcasan Construction & Drilling Corp. | S-1104 Cityland Tower I, Ayala Ave. | Makati | Metro Manila | 10-Oct-97 | 10-Oct-97 | 09-Oct-00 | |
| 386 | Mandel Trading & Construction | 98-Q Mabini St. Brgy, Maunlad, | Puerto Princesa | Palawan | 15-Oct-97 | 15-Oct-97 | 14-Oct-00 | |
| 387 | V2A Enterprises & General Contractor | St. Paul Subd., Palestina | Pili | Camarines Sur | 15-Oct-97 | 15-Oct-97 | 14-Oct-00 | |
| 388 | FVF Builders & Supply | 22 Dayangdang St | Naga | Camarines Sur | 15-Oct-97 | 15-Oct-97 | 14-Oct-00 | |
| 389 | Clevdan Trading & General Services | 65 Burgos St., | Puerto Princesa | Palawan | 15-Oct-97 | 15-Oct-97 | 14-Oct-00 | |
| 390 | Panganiban Deepwell Drilling Enterprises | Blk. 16 Lo 10 Brgy, Calendola | San Pedro | Laguna | 05-Nov-97 | 5-Nov-97 | 04-Nov-00 | |
| 391 | ERC Deepwell Drilling & General Services | 20 Katipunan St. | Baras | Rizal | 10-Nov-97 | 10-Nov-97 | 09-Nov-00 | |
| 392 | Malaluan Iron Craft | Paninsingin | Lipa | Batangas | 20-Nov-97 | 20-Nov-97 | 19-Nov-00 | |
| 393 | First United Contructors Corp. | C | Purok 3 Zone 8 Brgy. Cupang | Antipolo | Rizal | 27-Feb-04 | 27-Feb-04 | 26-Feb-00 |
| 394 | Phil-Water Exploration & dev't. Corp. | C | Rm. 702-A Allied Bank Bldg., Q. Paredes St., Binondo | Manila | Metro Manila | 25-Nov-97 | 25-Nov-97 | 24-Nov-00 |
| 395 | Universal Drilling & Industrial Services | 21 Matimpiin St., Pinyahan, Diliman | Quezon | Metro Manila | 15-Dec-97 | 15-Dec-97 | 14-Dec-00 | |
| 396 | N.T. Hernandez Trading & Well Drilling | Sitio Parang, Mataas na Kahoy | Batangas | 15-Dec-97 | 15-Dec-97 | 14-Dec-00 | ||
| 397 | F.A. Trading & Well Drilling | 22 Eugenio St., Parada Road | Valenzuela | Metro Manila | 26-Jul-04 | 7-Jan-04 | 7-Jan-07 | |
| 398 | Korex Phil., Inc. | 77 Panay Cor. Timog Ave., Paligsahan | Quezon | Metro Manila | 15-Jan-98 | 15-Jan-98 | 14-Jan-01 | |
| 399 | Follosco Manufacturing & Industrial Corp. | C | Sampaguita Ave., UPS IV | Parañaque | Metro Manila | 27-Jan-98 | 27-Jan-98 | 26-Jan-01 |
| 400 | Secured Technology & Services, Inc. | 1103 Del Monte Ave., San Francisco Del Monte | Quezon | Metro Manila | 28-Jan-98 | 28-Jan-98 | 27-Jan-01 | |
| 401 | Precila C. Delen Deepwell Drilling Contractor | Masin Norte | Candelaria | Quezon | 29-Jan-98 | 29-Jan-98 | 28-Jan-01 | |
| 402 | Alliance Well Drilling & Pumps Servicing, Inc. | 9505 Miguela St., Airport Village | Parañaque | Metro Manila | 29-Mar-04 | 29-Mar-04 | 29-Mar-07 | |
| 403 | Amcord Fabrications & Construction | Dahlia St., Dona Francisca Subd. | Balanga | Bataan | 01-May-01 | 1-May-01 | 01-May-04 | |
| 404 | Corsan Well Drilling Services | Lot 10 Cluster B St., Brgy. Bagong Nayon | Antipolo | Rizal | 10-Mar-98 | 10-Mar-98 | 09-Mar-01 | |
| 405 | Aqua-Line Integrated Systems, Inc. | 43-F Mapagbigay Street, Piñahan District, Diliman | Quezon | Metro Manila | 2-Sep-04 | 19-Aug-04 | 19-Aug-07 | |
| 406 | FPJR Drilling Construction | 454 Pamukid | San Francisco | Camarines Sur | 24-Mar-98 | 24-Mar-98 | 23-Mar-01 | |
| 407 | Mayol Well Drilling & Services | Felo I Subd., Rincon, | Valenzuela | Metro Manila | 26-May-03 | 26-May-03 | 25-May-06 | |
| 408 | Union Well Drilling & Steel Works | 140 Matville Street, Banlat Road, Tandong Sora | Quezon | Metro Manila | 1-Jul-04 | 2-May-04 | 2-May-07 | |
| 409 | Best Choice Well Drilling & Industrial Services | Arellano, National Hi-way, Mulawin | Orani | Bataan | 18-Jul-01 | 18-Jul-01 | 17-Jul-04 | |
| 410 | Watertools Corp. | C | 2F Vernida I Cond., Amorsolo St. | Makati | Metro Manila | 04-May-98 | 4-May-98 | 03-May-01 |
| 411 | Aspac builders, Inc. | Km. 10 Sasa | Davao | Davao del Sur | 19-May-98 | 19-May-98 | 18-May-01 | |
| 412 | Summit Deepwell Drilling Services | Aquino Street | Pagadian | Zam del Sur | 31-Aug-02 | 31-Aug-02 | 30-Aug-05 | |
| 413 | Winfield Drilling | Unit 8, BSA Comm'l Complex, B. Silang, Shaw Blvd | Mandaluyong | Metro Manila | 26-May-98 | 26-May-98 | 25-May-01 | |
| 414 | Quini Square Construction & Supply | Camachilihan | Nasugbu | Batangas | 01-Aug-03 | 1-Aug-03 | 31-Jul-06 | |
| 415 | R & G Construction Dev't. & Trading, Inc. | 81 Sucat Road, San Antonio | Parañaque | Metro Manila | 11-Jun-98 | 11-Jun-98 | 10-Jun-01 | |
| 416 | More-Waters Construction Services (MWCS) | Unit 3 Buendia Shopping Plaza G. Puyat St. | Makati | Metro Manila | 01-Oct-01 | 1-Oct-01 | 30-Sep-04 | |
| 417 | Hydro-Land Dev't., Inc. | Gruar St., cor. F. Felix Ave. | Cainta | Rizal | 05-Sep-01 | 5-Sep-01 | 04-Sep-04 | |
| 418 | JP Well Drilling Contractor | Gate II Cogeo, Marcos Hi-way Dela Paz | Antipolo | Rizal | 15-Jul-98 | 15-Jul-98 | 14-Jul-01 | |
| 419 | Dimailig General Merchandise & Construction | Ilustre Avenue, | Lemery | Batangas | 12-Feb-03 | 12-Feb-03 | 11-Feb-06 | |
| 420 | Chrysalis Construction and Trading Corporation | C | 2404 Tenorio St. San Andres Bukid | Manila | Metro Manila | 22-Sep-04 | 25-Aug-04 | 25-Aug-07 |
| 421 | Northmin Mining & Dev't. Corp. | C | Xavier Estate, Upper Balulang | Cagayan de Oro | Misamis Or | 01-Aug-01 | 1-Aug-01 | 31-Jul-04 |
| 422 | Laurinaria Enterprises | 158-C IBP Road, Commonwealth | Quezon | Metro Manila | 03-Aug-98 | 3-Aug-98 | 02-Aug-01 | |
| 423 | Waterhead Well Drilling & Construction | Nepa National Hi-way, San Vicente | Biñan | Laguna | 04-Aug-03 | 4-Aug-03 | 03-Aug-06 | |
| 424 | Earthmovers Drilling Services, Inc. | Rm 402, Cabrera Bldg., II 64 Timog Ave. | Quezon | Metro Manila | 29-Apr-03 | 29-Apr-03 | 28-Apr-06 | |
| 425 | New Era Well Drilling & Pump Services | 317 Joseph St., Annex 41, Better Living | Parañaque | Metro Manila | 08-Apr-02 | 8-Apr-02 | 07-Apr-05 | |
| 426 | G.G. gonzales Well Drilling | 49 Gonzales Drive, Lias | Marilao | Bulacan | 17-Aug-04 | 3-Sep-04 | 3-Sep-07 | |
| 427 | A.M. Gatbonton Drilling Corp. | C | 30F Marinduque St., San Francisco Del Monte | Quezon | Metro Manila | 15-Oct-04 | 21-Oct-04 | 21-Oct-07 |
| 428 | In-Part Engineering | 1071 Quirino Hi-way, Novaliches | Quezon | Metro Manila | 23-Sep-98 | 23-Sep-98 | 22-Sep-01 | |
| 429 | Sanvar Dev't. Corp. | C | No. 12 Ugu Street, Araneta Subdivision | Quezon | Metro Manila | 15-Oct-01 | 15-Oct-01 | 14-Oct-04 |
| 430 | KCB Water Supply | 41 Garnet Street, Marcelo Village | Parañaque | Metro Manila | 08-Oct-98 | 8-Oct-98 | 07-Oct-01 | |
| 431 | Waterfields Technical & Drilling Services | 435 Bulalakaw St., Plainview | Mandaluyong | Metro Manila | 08-Oct-98 | 8-Oct-98 | 07-Oct-01 | |
| 432 | Mark Well Drilling & Steel Fabrication Corp. | C | 181-C Tandang Sora Ave. | Quezon | Metro Manila | 12-Feb-02 | 12-Feb-02 | 11-Feb-05 |
| 433 | G.B. Lintag Well Drilling | Bona, Sta. Cruz | Lubao | Pampanga | 13-Nov-02 | 13-Nov-02 | 12-Nov-05 | |
| 434 | Namyang Phil., Inc. | 372-C Commonwealth Avenue, Old Balara | Quezon | Metro Manila | 1-Feb-05 | 17-Dec-04 | 17-Dec-07 | |
| 435 | Sagromac Well Drilling Inc. | 82 Corrales Avenue | Cagayan de Oro | Misamis Or | 20-Oct-03 | 20-Oct-03 | 19-Oct-06 | |
| 436 | Magscon Enterprises | 8420 Dr. A. Santos Ave. | Parañaque | Metro Manila | 16-Dec-98 | 16-Dec-98 | 15-Dec-01 | |
| 437 | Lucky-Star Drilling | Rm201Margarita Bldg#28Matalino cor. Masikap St., Diliman | Quezon | Metro Manila | 14-Feb-02 | 14-Feb-02 | 13-Feb-05 | |
| 438 | Southern Star Engineering Services | B-11 L-6 Southern City Subd., Tanzang Luma 4 | Imus | Cavite | 11-Sep-02 | 11-Sep-02 | 10-Sep-05 | |
| 439 | Initial Techno-Services Inc. | 479 J. Villalon St., Sto. Niño | Marikina | Metro Manila | 06-Jan-99 | 6-Jan-99 | 05-Jan-02 | |
| 440 | GMD Geotechnical Drilling Services | 14 Jaime St., Carmel I Subd., Bahay Toro, Project 6 | Quezon | Metro Manila | 18-Jan-99 | 18-Jan-99 | 19-Jan-02 | |
| 441 | Gumaro Water Supply & Deepwell Service | Blk 66 Purok 5, Upper Bicutan | Taguig | Metro Manila | 10-Jun-02 | 10-Jun-02 | 09-Jun-05 | |
| 442 | Original Engineering & Well Drilling Co. | #4 Quirino Highway Balon Bato | Quezon | Metro Manila | 22-Feb-99 | 22-Feb-99 | 21-Feb-02 | |
| 443 | Murin Well Drilling Ltd., Co. | 10 A. Labrador St., Holy Spirit | Quezon | Metro Manila | 12-Apr-99 | 12-Apr-99 | 11-Apr-02 | |
| 444 | Jaeil Drilling Inc. | 30-I Francis Drive, South Green Park, Mindanao Ave. | Quezon | Metro Manila | 16-Apr-99 | 16-Apr-99 | 15-Apr-02 | |
| 445 | R.C. Well Drilling | 171 Guyong | Sta. Maria | Bulacan | 29-May-02 | 29-May-02 | 28-May-02 | |
| 446 | Ancor Water Resources | 1887 2nd Ave. Teachers Village | Tagum | Davao del Norte | 04-May-99 | 4-May-99 | 03-May-02 | |
| 447 | Wellking Phil., Inc. | 63-I PG Bldg., West Avenue | Quezon | Metro Manila | 06-May-99 | 6-May-99 | 05-May-02 | |
| 448 | 168 Paragon International Gen. Contractor Equipment | 110-C Kaingin Road, Samson | Quezon | Metro Manila | 30-Jun-99 | 30-Jun-99 | 29-Jun-02 | |
| 449 | Brent-Nathan Realty & Dev't. Corp. | C | Maharlika Highway, Calamagui 2nd | Ilagan | Isabela | 06-Jul-99 | 6-Jul-99 | 05-Jul-02 |
| 450 | Orozco Drilling Services | 269 Manalo Ext'n., Brgy, Milagrosa | Puerto Princesa | Palawan | 23-Jul-99 | 23-Jul-99 | 22-Jul-02 | |
| 451 | First Global Hydro Corp. | C | 1901 A East Tower, PSEC, Exchanged Rd., Ortigas Ctr | Pasig | Metro Manila | 23-Jul-99 | 23-Jul-99 | 22-Jul-02 |
| 452 | Castlerock Construction & Dev't., Inc. | Suit 406, Continental Court, 47 Annapolis St. | San Juan | Metro Manila | 09-Aug-99 | 9-Aug-99 | 08-Aug-02 | |
| 453 | Grogun, Inc. | 7 Dr. Lazcano Street | Quezon | Metro Manila | 17-Aug-99 | 17-Aug-99 | 16-Aug-02 | |
| 454 | Sebastian Well Drilling Services | 707 Compound, Bagbaguin | Valenzuela | Metro Manila | 06-Sep-02 | 6-Sep-02 | 05-Sep-05 | |
| 455 | Innovative Drilling Corp. | C | 1823 E. Rodriguez Sr., Cubao | Quezon | Metro Manila | 18-Aug-99 | 18-Aug-99 | 19-Aug-02 |
| 456 | Geo-Dynamic Drilling Services | 67 Kalantiaw Masagana Project 4 | Quezon | Metro Manila | 31-Aug-99 | 31-Aug-99 | 30-Aug-02 | |
| 457 | E.E.A. Well Drilling | B 6, L 31, Sta. Lucia Village V. Punturin | Valenzuela | Metro Manila | 31-Aug-99 | 31-Aug-99 | 30-Aug-02 | |
| 458 | Venture Drilling Services | Lanas | Naga | Cebu | 08-Sep-99 | 8-Sep-99 | 07-Sep-02 | |
| 459 | Q-Boartz Industrial Corp. | C | Lot 12 Blk 8 Mt. Everest St., Panorama Hills Subd.,Cpng | Antipolo | Rizal | 24-Nov-03 | 24-Nov-03 | 23-Nov-06 |
| 460 | Uno Drill Well Management & Water Supply | No. 83 Cabrera Road, Bo. Dolores | Taytay | Rizal | 16-Sep-99 | 16-Sep-99 | 15-Sep-02 | |
| 461 | Innovative Constructors, Inc. | 149 K Scout de Guia St., Kamuning | Quezon | Metro Manila | 16-Sep-99 | 16-Sep-99 | 15-Sep-02 | |
| 462 | E. San Jose Construction | Km. 21 McArthur Hi-way, Ibayo | Marilao | Bulacan | 27-Sep-99 | 27-Sep-99 | 26-Sep-02 | |
| 463 | De Honor Well Drilling & Pump Supply | #3 Arasity Avenue, Tinajeros | Malabon City | Metro Manila | 18-May-05 | 30-Oct-02 | 31-Oct-05 | |
| 464 | A.G. Robles Enterprises | 6 T. Claudio St., Maybangcal | Morong | Rizal | 25-Oct-99 | 25-Oct-99 | 24-Oct-02 | |
| 465 | Jave Well Drilling | 47 Felo 1 Subdivision, Rincon | Valenzuela | Metro Manila | 29-Oct-02 | 29-Oct-02 | 28-Oct-05 | |
| 466 | Pedro Rigos Well Drilling | Lot 71, Blk. 56, Zone 2, Upper Bicutan | Taguig | Metro Manila | 26-Aug-02 | 26-Aug-02 | 25-Aug-05 | |
| 467 | Rey-Vin Trading | 02 Governor's Drive, Cabuco | Trece Martires | Cavite | 06-Dec-99 | 6-Dec-99 | 05-Dec-02 | |
| 468 | E.T. Nolasco Deepwell Drilling Construction & Metal Fab | 24 Gov. Pascual Ave., Potrero, | Malabon | Metro Manila | 27-Jan-03 | 27-Jan-03 | 26-Jan-06 | |
| 469 | R.R. Magcawas Iron Work & Services | Banay-Banay 1st | San Jose | Batangas | 06-Jan-00 | 6-Jan-00 | 05-Jan-03 | |
| 470 | Dexter Water Trading & Drilling Services formerly Watervoyy Enterprises | 82 Xavierville Ave., R. Palma, Loyola Hts. | Quezon | Metro Manila | 11-Oct-02 | 11-Oct-02 | 10-Oct-05 | |
| 471 | Bore Asia Drilling Services, Inc. | 24-C 1, East Capitol Drive | Pasig | Metro Manila | 06-Jan-00 | 6-Jan-00 | 05-Jan-03 | |
| 472 | Gintong Tubig Engineering Venture | Zone II Bulua National Highway | Cagayan de Oro | Misamis Or | 28-Feb-03 | 28-Feb-03 | 27-Feb-06 | |
| 473 | P & P Well Drilling Enterprises | 34 Don Pablo Subd. Rincon, Malinta | Valenzuela | Metro Manila | 07-Feb-03 | 7-Feb-03 | 06-Feb-06 | |
| 474 | P.P. San Jose Well Drilling & Construction | Marilao | Bulacan | 24-Jan-00 | 24-Jan-00 | 24-Jan-03 | ||
| 475 | L.R. Joson Drilling and Water Management Systems | 35 Morning Star Drive, Sanville, Diliman | Quezon | Metro Manila | 05-Oct-04 | 23-Jan-03 | 23-Jan-06 | |
| 476 | A & L Drilling Construction & Trading | Blk. 605, Lot 106 Heritage Homes | Marilao | Bulacan | 01-Feb-00 | 1-Feb-00 | 31-Jan-03 | |
| 477 | Libra Well Drilling Service | #1108 Ricky Avenue, Tanada Subdivision, | Valenzuela | Metro Manila | 26-Oct-04 | 7-Jan-03 | 7-Jan-06 | |
| 478 | Diamond Drilling Corp. of the Philippines | 344 South Superhighway | Parañaque | Metro Manila | 22-Apr-03 | 22-Apr-03 | 21-Apr-06 | |
| 479 | Azurin Well Services | 75 Camdas Subdivision | Baguio | Benguet | 08-Feb-00 | 8-Feb-00 | 07-Feb-03 | |
| 480 | Joleo Waterwells Corp. | C | 20 Romualdez St., Holy Spirit | Quezon | Metro Manila | 11-Feb-00 | 11-Feb-00 | 10-Jan-03 |
| 481 | Phoenix Dev't. & Drilling Corp. | C | 373 Cruz | La Trinidad | Benguet | 29-Feb-00 | 29-Feb-00 | 28-Feb-03 |
| 482 | Emar Enterprises | 1004 Binakayan | Kawit | Cavite | 08-Sep-03 | 8-Sep-03 | 07-Sep-06 | |
| 483 | Paltubig Corp. | C | Puerto Princesa | Palawan | 29-Mar-00 | 29-Mar-00 | 30-Mar-03 | |
| 484 | Manuel M. Uy Contructor | #10 San Vicente St., Nueva | San Pedro | Laguna | 08-May-00 | 8-May-00 | 07-May-03 | |
| 485 | Mendel Plumbing & Electrical Services | Sogod | Southern Leyte | 09-May-00 | 9-May-00 | 10-May-03 | ||
| 486 | Eveson Enterprises | #102 Gen. Luna Street | Malabon | Metro Manila | 24-May-04 | 7-May-03 | 7-May-06 | |
| 487 | D' Grands Drilling Services | Conception cor. Mangkaw Sts. | Sogod | Southern Leyte | 30-Dec-03 | 30-Dec-03 | 29-Dec-06 | |
| 488 | SV Construction & Dev't. Co., Inc. | Alas-asin | Mariveles | Bataan | 08-May-00 | 8-May-00 | 07-May-03 | |
| 489 | Reac Engineering & Construction | B-10 L-A4 Jasmin St., Cherry Hills Subd., San Luis | Antipolo | Rizal | 22-May-00 | 22-May-00 | 21-May-03 | |
| 490 | Aro Engineering | 4 Juno St., Bricktown Subd. Phase 3 | Parañaque | Metro Manila | 01-Jul-03 | 1-Jul-03 | 30-Jun-06 | |
| 491 | JSR Geotechnical Quality Control Corp. | C | 983 Mindanao Ave., Brgy, Bahay Toro | Quezon | Metro Manila | 03-Jul-00 | 3-Jul-00 | 02-Jul-03 |
| 492 | Marktech Builders & Well Drilling | 6-3-2 Teachers Bliss Condo I | Pasay | Metro Manila | 06-Jul-00 | 6-Jul-00 | 05-Jul-03 | |
| 493 | Veriwell Drilling & Construction | 66 Aurora Ave. Aurora Subd., | Taytay | Rizal | 01-Aug-03 | 1-Aug-03 | 31-Jul-06 | |
| 494 | Alden Well Drilling Services | B10 L-A4 Jasmine Street, Cherry Hills Subdivision, | Antipolo | Rizal | 04-Nov-04 | 3-Aug-03 | 3-Aug-06 | |
| 495 | St. Louie Construction | 263 Gen. Luna, Maulawin | Pagsanjan | Laguna | 18-Jul-00 | 18-Jul-00 | 17-Jul-03 | |
| 496 | Caraga Drilling Sales & Services | Valenzuela | Metro Manila | 01-Aug-00 | 1-Aug-00 | 02-Aug-03 | ||
| 497 | Banaag Well Drilling Services | Barangay II, Mataas na Kahoy | Batangas | 04-Aug-00 | 4-Aug-00 | 03-Aug-03 | ||
| 498 | San Pedro Water District | 110 J.P. Rizal Street, | San Pedro | Laguna | 03-Jun-04 | 15-Aug-03 | 15-Aug-06 | |
| 499 | Hydrotech Construction & Supply | Seminary Drive | Tagum | Davao del Norte | 03-Dec-03 | 3-Dec-03 | 02-Nov-06 | |
| 500 | Pacific Synergy International, Inc. | Unit F-3, Macrima Bldg., 1666 EDSA, Guadalupe Nuevo | Makati | Metro Manila | 25-Sep-00 | 25-Sep-00 | 24-Sep-06 | |
| 501 | C. C. Dionisio Builders & Trading | Suite 402, Gotesco Tower A, 1129 Concpcn St.Ermta | Quezon | Metro Manila | 25-Sep-00 | 25-Sep-00 | 24-Sep-06 | |
| 502 | Mega Philippines, Inc. | Ochids cor. Roses Sts., West Fairview | Quezon | Metro Manila | 04-Oct-03 | 4-Oct-03 | 03-Oct-06 | |
| 503 | Malonzo Trading & Drilling Enterprises | Kalookan | Metro Manila | 06-Nov-00 | 6-Nov-00 | 07-Nov-03 | ||
| 504 | Bema Drilling Corp. | C | Cebu | Cebu | 09-Nov-00 | 9-Nov-00 | 10-Nov-03 | |
| 505 | Circle J Traders & Engineering Services | 16 R. Mapa Street, Mandurriao | Iloilo | Iloilo | 06-Nov-03 | 6-Nov-03 | 05-Nov-06 | |
| 506 | Hard Core Drillers | #1 Concepcion Street, Zone III, | Sogod | Southern Leyte | 20-Apr-05 | 17-Feb-04 | 18-Feb-07 | |
| 507 | Gravson Well-Drilling & Water Systems | 18 M. Pantaleon St., By Pass Road, Guyong | Sta. Maria | Bulacan | 09-Mar-01 | 9-Mar-01 | 08-Mar-04 | |
| 508 | RJ Prado Enterprises | 4017 McArthur Hi-way, San Sebastian Vill | Tarlac | Tarlac | 27-Feb-04 | 27-Feb-04 | 26-Feb-07 | |
| 509 | Vinhar Construction | 2F Tallado Bldg. 4849 Old Sta. Mesa St., Sta Mesa | Manila | Metro Manila | 15-Mar-01 | 15-Mar-01 | 14-Mar-04 | |
| 510 | Malcon Well Drilling & Construction | 41 J.P. Rizal St., Arty Subdivision | Valenzuela | Metro Manila | 24-Mar-04 | 24-Mar-04 | 23-Mar-07 | |
| 511 | Veo Well Drilling Services | Pantay Bituin, Paliwas | Obando | Bulacan | 15-Oct-04 | 10-Jul-04 | 9-Jul-07 | |
| 512 | H. B. Romero Deepwell Drilling | No.2 Saint Scholasticas Subd., Talon | Las Piñas | Metro Manila | 20-Jul-01 | 20-Jul-01 | 19-Jul-04 | |
| 513 | Innotech Contruction Corp. | C | 45 Rivera Cmpd., Kaligayahan, Novaliches | Quezon | Metro Manila | 01-Aug-01 | 1-Aug-01 | 31-Jul-04 |
| 514 | Technotest, Inc. | 893 E. delos Santos Avenue | Quezon | Metro Manila | 03-Aug-01 | 3-Aug-01 | 02-Aug-04 | |
| 515 | Arsenio Villa, Jr. Drilling & Plumbing Services | Katambisan, Sagod | Southern Leyte | 03-Aug-01 | 3-Aug-01 | 02-Aug-04 | ||
| 516 | Northern Builders | Km. 131 C.P. Romulo Hi-way, Baras-Baras | Tarlac | Tarlac | 08-Aug-01 | 8-Aug-01 | 07-Aug-04 | |
| 517 | Canaus Drilling & Exploration, Inc. | Km. 11 Sasa | Davao | Davao del Sur | 17-Oct-04 | 30-Oct-04 | 30-Oct-07 | |
| 518 | JHF Well Drilling Service | 77 McArthur Hi-way, Marulas | Valenzuela | Metro Manila | 28-Oct-04 | 16-Aug-04 | 16-Aug-07 | |
| 519 | S. Torres Well Drilling | 21 Centro I, Palihan | Hermosa | Bataan | 05-Sep-01 | 5-Sep-01 | 05-Sep-04 | |
| 520 | Eagleridge Development Corp. | C | Pasig | Metro Manila | ||||
| 521 | Compact Builders, Inc | 949 Rosarito Street, Sampaloc | Manila | Metro Manila | 01-Oct-01 | 1-Oct-01 | 30-Sep-04 | |
| 522 | P. J. Cruz Construction | Quezon | Metro Manila | |||||
| 523 | Delfa Construction | 661 Tres de Mayo St. Ward IV Minglanilla | Minglanilla | Cebu | 29-Oct-01 | 29-Oct-01 | 28-Oct-04 | |
| 524 | Alta Land Construction, Inc. | UPHRMC Compound., Alabang, Zapote Rd., Pamplona | Las Piñas | Metro Manila | 18-Dec-01 | 18-Dec-01 | 17-Dec-04 | |
| 525 | Tec Enterprises | Silang | Cavite | |||||
| 526 | Tri-star Engineering | Davao | Davao del Sur | |||||
| 527 | Pacyl Builder & Supply | Panganiban Drive | Naga | Camarines Sur | 11-Feb-02 | 11-Feb-02 | 10-Feb-05 | |
| 528 | M. C. Drilling System | Bauan | Batangas | 11-Feb-02 | 11-Feb-02 | 10-Feb-05 | ||
| 529 | R. M. Esguerra Water System & Supply | 130 National Hi-way San Vicente | Biñan | Laguna | 04-Mar-02 | 4-Mar-02 | 03-Mar-05 | |
| 530 | N. L. San Jose Well Drilling & Pump Especialist | MCArthur Highway Caranglaan Dist., | Dagupan | Pangasinan | 13-Mar-02 | 13-Mar-02 | 12-Mar-05 | |
| 530-A | AWS Ventures Co. LTD | No. 67 South Sanitary Camp | Baguio | Benguet | 22-May-02 | 22-May-02 | 21-May-05 | |
| 531 | Green Hole Well Drilling Services | DRT Hi-way, Sto. Cristo | Pulilan | Bulacan | 29-May-02 | 29-May-02 | 28-May-05 | |
| 532 | M. J. P. Contractor | 4242 Hillside Village, Ugong | Valenzuela | Metro Manila | 17-Jun-02 | 17-Jun-02 | 16-Jun-05 | |
| 533 | SIG Construction & Industrial Corp. | C | Unit 2302 East Tower, PSE Center, Ortigas | Pasig | Metro Manila | 17-Jun-02 | 17-Jun-02 | 16-Jun-05 |
| 534 | Q. K. Calderon | 827 Calderon Bldg., EDSA | Quezon | Metro Manila | 17-Jun-02 | 17-Jun-02 | 16-Jun-05 | |
| 535 | Power Well Drilling Services | 242 Aznar Road, Pardo | Cebu | Cebu | 17-Jun-02 | 17-Jun-02 | 16-Jun-05 | |
| 536 | Geotechnological Services | Globeexplorer Travel Services, Anda Street | Davao | Davao del Sur | 17-Jun-02 | 17-Jun-02 | 16-Jun-05 | |
| 537 | Piper Hydro Drilling Services | 15-M Agila St. Vililia Village, Talipapa, Novaliches | Quezon | Metro Manila | 03-Jul-02 | 3-Jul-02 | 02-Jul-05 | |
| 538 | Sanko Engineering Construction | 43 Citrene Street, Filinvest II, Northview I Batasan Hills | Quezon | Metro Manila | 23-Jul-02 | 23-Jul-02 | 22-Jul-05 | |
| 539 | Man Well General Construction Dev't. Corp | C | No. 9 Diamond St., Palmera Homes II | Taytay | Rizal | 31-Aug-02 | 31-Aug-02 | 30-Aug-05 |
| 540 | Daztech Electromech Services, Inc. | Zone IA, Aguinaldo Hi-way | Dasmariñas | Cavite | 02-Sep-02 | 2-Sep-02 | 01-Sep-05 | |
| 541 | B. A. N. K. S. Well Drilling | 178 3rd St., Guadalupe Village, Lanang | Davao | Davao del Sur | 16-Sep-02 | 16-Sep-02 | 15-Sep-05 | |
| 542 | Carat Enterprises | F. Medrano St., Bagong Pook | Lipa | Batangas | 23-Sep-02 | 23-Sep-02 | 22-Sep-05 | |
| 543 | RVD Well Drilling Service | 48 Narra St., Villa Liwayway, Maysan | Valenzuela | Metro Manila | 28-Oct-02 | 28-Oct-02 | 27-Oct-05 | |
| 544 | Laguna Well Drilling & Construction | 18 Oliver Compd., Brgy. Landayan | San Pedro | Laguna | 30-Oct-02 | 30-Oct-02 | 29-Oct-05 | |
| 545 | Dante M. Buenaflor Sr. Well Drilling Services | Glory ville Subd., Brgy. XIII | Victorias | Negros Occ | 04-Nov-02 | 4-Nov-02 | 03-Nov-05 | |
| 546 | Allianz Infrastructure Dev't. Corp. | C | Rm. 3B M&F Bldg., 731 Banawe Street | Quezon | Metro Manila | 28-Oct-02 | 28-Oct-02 | 27-Oct-05 |
| 547 | Semaña-Luna Drilling & Construction, Inc. | Brgy. II, Mataas na Kahoy | Batangas | 06-Nov-02 | 6-Nov-02 | 05-Nov-05 | ||
| 548 | Sinian Int'l. Corp. | C | Suite 402, Gotesco Tower A, 1129 Concpcn St., Ermta | Manila | Metro Manila | 22-Nov-02 | 22-Nov-02 | 21-Nov-05 |
| 549 | Formost Drilling & Engineering Enterprises | Opal St., Interville I Subd., Talipapa, Novaliches | Quezon | Metro Manila | 23-Dec-02 | 23-Dec-02 | 22-Dec-05 | |
| 550 | Lalwet Construction | JC-228 Central Pico | La Trinidad | Benguet | 06-Jan-03 | 6-Jan-03 | 05-Jan-05 | |
| 551 | Risalino J. Damicog Deepwell Drilling & Trading | 18 Damaso St., Rizal Village, Alabang | Muntinlupa | Metro Manila | 23-Dec-02 | 23-Dec-02 | 22-Dec-05 | |
| 552 | Chiara / China Nonferrous Joint Venture | 2103 Gotesco Tower B, 1129 Conception St. Ermita | Manila | Metro Manila | 27-Jan-03 | 27-Jan-03 | 26-Jan-06 | |
| 553 | Atlantic Erectors, Inc. | Unit 605 Prince Jun Condo. 42 Timog Ave | Quezon | Metro Manila | 26-Mar-03 | 26-Mar-03 | 25-Mar-06 | |
| 554 | 3's Artesian Well Drilling & Engineering Services | B24 L20 Springville, Molino | Bacoor | Cavite | 31-Mar-03 | 31-Mar-03 | 30-Mar-06 | |
| 555 | Aceline Construction & Supply | McArthur Highway Poblacion | Gerona | Tarlac | 05-May-03 | 5-May-03 | 04-May-06 | |
| 556 | Albatech Engineering | B4-A Larida Ville, Dumlog | Talisay | Cebu | 26-May-03 | 26-May-03 | 25-May-06 | |
| 557 | M.M. Sillano Well Drilling & Plumbing Services | 115 Sta. Rita | Guiguinto | Bulacan | 09-Jun-03 | 9-Jun-03 | 08-Jun-06 | |
| 558 | Mon Well's Enterprises | No. 7 Lilac St., Area 9, Luzon Ave., | Quezon | Metro Manila | 16-Jun-03 | 16-Jun-03 | 15-Jun-06 | |
| 559 | Mariben Construction | 165 Pnaghulo St., | Malabon | Metro Manila | 20-Jun-03 | 20-Jun-03 | 19-Jun-06 | |
| 560 | Industrial Geoscience Research | 213 Isabel St., Lakeview Homes, Putatan | Muntinlupa | Metro Manila | 24-Jun-03 | 24-Jun-03 | 23-Jun-06 | |
| 561 | Piltem Drillers & Builders | 104 A. Mabini, National H-way, Pob. | San Pedro | Laguna | 26-Jun-03 | 26-Jun-03 | 25-Jun-06 | |
| 562 | F. David (Drilling) Enterprises | 28 Sct. Chuatoco St., Roxas District | Quezon | Metro Manila | 26-Jun-03 | 26-Jun-03 | 25-Jun-06 | |
| 563 | Bulacan Well Drilling | 216 Luwasan, Guyong | Sta. Maria | Bulacan | 04-Jul-03 | 4-Jul-03 | 03-Jul-06 | |
| 564 | Rared Contracting Services, Inc. | 2081 J.P. Rizal St., Homesite Subd., Camarin | Caloocan | Metro Manila | 01-Sep-03 | 1-Sep-03 | 31-Aug-06 | |
| 565 | JMHR Builders Corp. | C | Hilarios Compound, Sta. Rita | Guiguinto | Bulacan | 01-Sep-03 | 1-Sep-03 | 31-Aug-06 |
| 566 | Well Care builder & Consultancy Services | Camerino Avenue | Dasmariñas | Cavite | 06-Oct-03 | 6-Oct-03 | 05-Oct-06 | |
| 567 | T.M.G. General Contractor | Rizal St. Brgy. 3 | Gen. Aguinaldo | Cavite | 15-Oct-03 | 15-Oct-03 | 14-Oct-06 | |
| 568 | Ada Drilling Service | Katipunan Street, Tisa | Cebu | Cebu | 04-Nov-03 | 4-Nov-03 | 05-Nov-06 | |
| 569 | Down under Drilling, Inc. | No.1 Purok 17, Irisan | Baguio | Benguet | 10-Nov-03 | 10-Nov-03 | 09-Nov-06 | |
| 570 | A. Brown Energy & Resources Dev't. Inc. | Manolo Fortich | Bukidnon | 19-Feb-04 | 19-Feb-04 | 18-Feb-07 | ||
| 571 | Nathanael Construction & Trading | B6 L19 & 21 Naga, Primavera Homes, San Luis | Antipolo | Rizal | 24-Mar-04 | 23-Mar-04 | 23-Mar-07 | |
| 572 | HGG Builders and Supply | 4th Street, Gimenez Subdivision | Naga | Camarines Sur | 11-Aug-04 | 8-Jul-04 | 8-Jul-07 | |
| 573 | Maphil Construction | Baseline Complex Juana Osmeña Street | Cebu | Cebu | 22-Sep-04 | 6-Aug-04 | 6-Aug-07 | |
| 574 | Wesmar Builders | 2nd Flr. QCPSLA Bldg., cor. Enriquez and Leon Guinto | Lucena | 30-Sep-04 | 30-Sep-04 | 30-Sep-07 | ||
| 575 | IDG Builders | Km. 31, National Highway | Panabo | Davao | 21-Oct-04 | 21-Oct-04 | 21-Oct-07 | |
| 576 | KGD Builders | Prk. Masunurin, Brgy. San Isidro | General Santos | 26-Oct-04 | 26-Oct-04 | 26-Oct-07 | ||
| 577 | E. Gardiola Construction | #1 Mt. Elgon Street, Filinvest I, | Quezon | Metro Manila | 18-Nov-04 | 18-Nov-04 | 18-Nov-07 | |
| 578 | HMB Construction and Supplies, Inc. | National Highway, Brgy. Alangilan, | Batangas | Batangas | 16-Dec-04 | 24-Nov-04 | 24-Nov-07 | |
| 579 | Everlasting Streams Water Resources | Blk.C-4 L1 Ph-CA Hongkong Village, Brgy.Banaybanay | Cabuyao | Laguna | 16-Dec-04 | 16-Dec-04 | 16-Dec-07 | |
| 580 | N.U. Miguel Water System Services | #27 Rome Street, Rosario | Pasig | Metro Manila | 09-Feb-05 | 3-Feb-05 | 3-Feb-08 | |
| 581 | China Kuangye Nonferrous Metals LTD. Liability Co. Phils. | #2103 Gotesco Tower B, 1129 Concepcion Street, Ermita | Manila | Metro Manila | 22-Feb-05 | 3-Feb-05 | 3-Feb-08 | |
| 582 | Rockwell Enterprises | 11-A Upper P. Burgos Street | Baguio | Benguet | 22-Feb-05 | 14-Feb-05 | 14-Feb-08 | |
| 583 | Lide Management Corporation | Administration Building, Gate 1, Lide | Isabela | Leyte | 21-Feb-05 | 21-Feb-05 | 21-Feb-08 | |
| 584 | 7H Water Drilling Services | E. Sabellano Street, Quiot, Pardo | Cebu | Cebu | 11-Apr-05 | 11-Apr-05 | 11-Apr-08 | |
| 585 | SKP Enterprises Philippines, Inc. | No. 3 Knight Columbus Comp, Loreland, San Roque | Antipolo | Rizal | 12-Apr-05 | 12-Apr-05 | 12-Apr-08 | |
| 586 | Bislig Builders and Allied Services Inc. | Greenbelt Village, Quiot, Pardo | Cebu | Cebu | 14-Apr-05 | 14-Apr-05 | 13-Apr-08 | |
| 587 | MWG Construction and Land Development Inc. | E.S. Buenbrazo Drive, Guiwan | Zamboanga | Zam del Sur | 14-Apr-05 | 14-Apr-05 | 13-Apr-08 | |
| 588 | Nivaco Well Drilling Services | B9 L2 Don Gregorio, Bucal Sampaloc 2 | Dasmariñas | Cavite | 4-Jul-05 | 4-Jul-05 | 3-Jul-08 | |
| 589 | Prime Asia Well Drilling Services 7 Contructor, Inc. | #9 Lands cor. Mines St., Vasra Village, Visayas Avenue | Quezon | Metro Manila | 12-Jul-05 | 12-Jul-05 | 11-Jul-08 | |
| 590 | PJR's Pump and Well Drilling | No. 16 Merieland Building, Mac Arthur Highway, Tuktukan | Guiguinto | Bulacan | 14-Jul-05 | 14-Jul-05 | 13-Jul-08 | |
| 591 | NGC Industrial Pump Trading & Services | Bulacan | 1-Aug-08 | |||||
| 592 | SGD Drilling Services | No. 1 Basa Street, Pacdal | Baguio | Benguet | 4-Aug-05 | 4-Aug-05 | 3-Aug-08 | |
| 593 | S.S.R. Construction | S | 37 St Peter Ave., Kapitan Pepe Subd., | Cabanatuan | Nueva Ecija | 18-Aug-05 | 8/17/2008 | |
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