INTERNATIONAL CLIENTS or Project Partners
- Ministry of Interior, State of Qatar
- Asia Halcrow, Inc of Halcrow-UK
- Stantec of Canada
- SMEC of Australia
- Mott MacDonald of UK
- Original Engineering Company of Japan
- World Bank
- Asian Development Bank
- Japan Bank for International Development
- Australian Aid for International Development
CLIENTS IN THE PHILIPPINES
- Ayala Land, Inc.
- Rockwell Land, Inc.
- First Philippine Holdings Corporation
- Luisita Realty Corporation
- Cebu Holdings
- Belle Corporation
- Filinvest Corporation
- One Asia Development Corporation
- JAKA Holdings and Management Corporation
- Brittany Estate Corporation
- Makati Commercial Estate Corporation
- Metropolitan Waterworks and Sewerage System
- Local Water Utilities Administration
- Maynilad Water Services, Inc.
- Manila Water Company, Inc.
- National Water Resources Board
- 20 Water Districts