B.H.P. Engineering Bases Conversion Development Corporation Clark Development Corporation CruzCon Corporation EarthQuakes and Megacities Initiative (EMI) Empire East Land Inc. ESSC Philippines Environmental Center of the Philippines Foundation Inc. (ECPFI) First Batangas Integrated Properties Inc. Forest Management Bureau/DENR GEOS Consultants GN Power Mariveles Ltd Co. Guoco Land Inc. Philippines Intramuros Administration Japan International Development Authority Kabang Kalikasan ng Pilipinas (World Wildlife Fund Philippines) Louis Berger International Manila Observatory Manila South Coastal Development Corporation McPhar GeoServices Phils. Inc. Mega World Properties Inc. Metropolitan Waterworks and Sewerage System Minorco Exploration Inc. (Australia) National Economic Development Authority (NCR) National Integrated Protected Areas Programme (NIPAP) Newcrest Mining Incorporated Nextel Philippines NGOs for Integrated Protected Areas (NIPA) P.T. Indonesia Exploration Corp. PERT-KONSULT Phil-Aviation Incorporation Placer Dome Inc. Plan Konsult Philippines Philippine National Police - NCR PNOC PRC-Environmental Management Corporation SASSOC Inc. Sta. Maria Planning and Research Corporation System Technology Research Corporation (STRC) TERRADATA TIPCO Corporation Tropical Exploration Incorporated United States Federal Government University of the Philippines Diliman University of the Philippines Visayas Western Mining Corporation (Australia) Woodward Clyde International Woodward Clyde Philippines Inc.