GEOGRAPHIC DISTRIBUTION OF DENR RECOGNIZED LABORATORIES (November 2003)
•CRL Environmental Corporation
•TQD Laboratory, TIPCO
•MACH (Union) Water Laboratory
•Robinsons Land Corporation, Inc. Laboratory
•TEEM Laboratory
•Adamson Univ. Technology Res.& Dev”t Center
•Aeronics, Inc.
•Chempro Analytical Services, Laboratories Inc.
•ELARSI, Inc.
•EMD/EP& C Laboratory Analytical Services
•FAST Laboratories
•Intertek Testing Services Phils., Inc.
•Manila Water Company, Laboratory Services
•Mer Chemical Laboratory & Services, Inc.
•Research & Analytical Services   Laboratory, NSRI
•Philippine Institute of Pure and Applied Chemistry, PIPAC
•Sentrotek Corporation
•SGS Philippines, Inc.
•URC, Central Wastewater Laboratory
•Cavite Water and Wastewater Testing Laboratory
•FAST, Laboratories
•Jefcor Laboratories, Inc.
•Central Analytical Services Laboratories, Inc.
•DOST Reg 4 Regional Standard & Testing Laboratory
•Organo Phils, Inc Laboratory
•PGI Mak-Ban Chemical Laboratory
•Ostrea Mineral Laboratory
•Lipa Quality Control Center
•Optimal Laboratories
•
•PGI, Tiwi Chemical Laboratory
•
•Chemrock Laboratories
•Ostrea Mineral Laboratories, Inc. - Cebu
•Metro Cebu Water District, Water & Wastewater Laboratory
•Technolab Laboratory Services
•University of San Carlos, Water Laboratory
•University of Immaculate Conception, Science Resource Center
•Pilipinas Kao, Inc
•DOST Reg. 10, Chemical Testing Laboratory
•Philippine Sinter Corporation, Laboratory & Environmetal Group
•
•Negros Prawm Producers Marketing Cooperative, Inc.
•