Water Concessionaires
Manila Water
Maynilad Water Services, Inc.
Ayala Water Works
Central Visayas Water Sanitation
Marinduque Water District
Calapan Water Works
San Jose Water Districts
Baguio Water District
Sablayan Water District
Saraga Water District

Engineering, Construction & Property Management Industry
Edward Keller Phil. Inc.
Sumisetsu Phils., Inc.
Ayala Corporation
GNQ Industrial & Contracting Corporation
Taihon Chemical & Services Inc.
Lawin Technologies Inc.
Hayama Group of Co.
Bauer International Phils., Inc.
Raycor Air Control Systems
Megatech Resources Corp.
Ecco Asia
GRUPP
First Philippine Industrial Park/Asahi Manila
CCT Constructors Corporation
DM Consunji Inc.
Fabcon Phils., Inc.
Makati Development Corp.
EEI Corporation
Manila Kyowa, Inc.
Hi-Cool Engineering Corp.

Sugar Industry
Victorias Milling Company., Inc.
Hawaiian Phil. Company
Central Azucarera De La Carlota
BISCOM
URSUMCO
First Farmers Holding Corp.
Passi Sugar Corporation
SONEDCO
Crystal Sugar
Lopez Sugar Central Inc.

Pharmaceutical & Chemical Industries
Warner-Lambert Phils., Inc.
Colgate Palmolive Phils., Inc.
Wyeth Phils., Inc.
Procter & Gamble Phils.
Pepmaco Inc.
Smithkline Beecham Research Ltd.
Unilever Phils., Inc.
Chemphil Albright Group
Asian Alcohol Corporation
United Laboratories, Inc.
Stepan Phils.
Distilleria Bago

Transportation, Petroleum, Electronics, Paper & Hospitals
Isuzu Phils.
Nissan Phils.
Columbian Motors Phils.
WG & A Lines
Pilipinas Hino Inc.
Petron Corporation
Total Petroleum Phils., Inc.
PNOC
Shell Philippines
Sumiden Electronics
Sharp (Phils.) Corp.
Babcock-Hitachi Phils.
Epson
Motorola Phils., Inc.
Bataan Pulp & Paper Mills Inc.
Mayleen Paper Corp.
Trust Int’l. Paper Co.
Bauang Private Power
First Philippine Energy
St. Luke’s Hospital
Chinese General Hospital
Manila Doctors
Makati Medical Center
Mary Johnston Hospital
Integrated Micro Electronics Inc.
Leighton Engineering