American Standard,  Manila

Mindanao Fresh Produce Inc.,  Davao City

Asiaref Phils,  Laguna

Minrico Lumber Enterprises,  Cotabato City

Bonifacio Stanger Testing Center,

Mitsubishi Heavy Industries, Pasig City

     Fort Bonifacio,  Taguig  City

Mitsubishi Motors Corp.,  Pasig City

California Manufacturing Corp. (Unilever), Paranaque

Monde Denmark Nissin Biscuit Corp., Sta. Rosa, Laguna

Cargill Phils. Inc., CENLAB, Bulacan

NEC Technologies Inc.,  MEPZ I,  Cebu

Cebu Toyo Corp., MEPZ II, Cebu

Cement Testing Center, Pasig

Neltex Development Co. Inc., Las Piñas City

Chemical Alloy, Mandaluyong City

Nestle Phils., Inc, Cabuyao, Laguna

Coca-Cola Bottlers Phils., CENLAB, Sta. Rosa, Laguna

Nihon Garter Phils., Cavite

Coca-Cola Bottlers Phils, Inc., Quality Assurance Team    

Noritake Porcelana Mfg Corp.,  Marikina City

        ( All Plants Nationwide) 

Northern Foods Corp., Laoag, Ilocos

Coca-Cola Botllers Phils., Inc. Engineering Team (All

OMTPI, Laguna

        Plants Nationwide) 

Orion Wire and Cable,  Caloocan City

Coca-Cola Export Corp., QA Team, Makati City

PDM Phils. (Kimberly Clark), Laguna

Coca-Cola Export Corp., Canlubang Concentrate Plant

Petron Bataan Refinery, QA Team, Bataan

Cosmos Bottling Corp., (through Coca-Cola Export)

Petron Bataan Refinery, Engineering Team, Bataan

D&L Industries, Pasig City

Phil. Textile Research Institute-DOST,  Taguig

Davao Central Chemical Corp.

Philippine Belt Manufacturing,  Quezon City

        (Takeda and Mitsubishi Co.), Davao City

Philippine Beverage Partners Inc., (Wilkins), Cavite

Dole Phils., Inc.,  Polomolok, South Cotabato

Philippine Electric Corp., Rizal

Eco Triangle Microsystems Inc., Makati City

Philippine Geoanalytics Calibration, Quezon City

Global Brands Corp.,  Rizal

Premier Physic Metrologie, Parañaque City

Hocheng Phils Corp.,  Dasmarinas,  Cavite

Red Ribbon (Jollibee Foods Corp.), Pasig and Tarlac City

Integrated Microelectronics Inc. (Ayala Group

San Miguel Corp.,  Mandaue City

       of Companies, 12 Divisions),  Laguna

SIDEL Conveyor Phils., Paranaque City

International Rice Research Institute,  Laguna

Standard Electric Mfg. Co., Parañaque City

Interpolymer Corp., Valenzuela City

Stellite Commercial, Inc., Mandaluyong City

K and K Molding Inc.,  Lipa City

Styropack Corp.,  Caloocan City

K2 Fine Metals,  Cavite

Sumifru Philippines, Inc., Davao City

Kemwerke,  Inc.,  Pasay City

Systems Network International (SNI),  Ortigas

Lamsan, Inc., Cotabato City

Tann Phils. Inc., Batangas

Lapanday Diversified Products, Davao City

Telstar Manufacturing Corp., Laguna

Lapanday Foods Corp (Lorenzo Group of

Trigon Management,  Mandaluyong City

     Companies, Davao Plantations)

Union Inks and Graphics,  Parañaque City

Lapanday Grand Ventures, Bukidnon

United Container Corp., Caloocan City

LEAD Export and Agro Devt., Davao City

Universal Robin Corp,  Batangas

Malalag Ventures, Plantation Inc., Davao

Wyeth Phils., Inc. , Canlubang Laguna

Mandaue Compressed Gases, Mandaue City

Yamatake Phils,  Makati City

Manila Water Co., Balara, Quezon Ciy

Yana Chemodities Phils. Inc.

Metro Gold Lubricating Ventures Corp, Caloocan City

Zuellig Pharma Inc., Canlubang, Laguna