Australian Aid
Department for International Development UK – DFID
Housing and Development Board
Jurong Town Corporation
Land Transport Authority
Maritime and Port Authority of Singapore
National Environment Agency
National Parks Board
Public Utility Board
Singapore Land Authority
Singapore Power/Power Gas
Arcadis Gilead
Armstrong Asset Management (AAM) & PT Inti Duta Energitia
EC Harris
Faithful and Gould
HB Fuller
Institute of Chemical and Engineering Sciences
Monier
Napier & Blakeley
Pilko & Associates
PWG Genetics Pte Ltd
WSP
Vale
Philippine Associated Smelting And Refining (Pasar) Corporation
Rolls-Royce
ST Electronics
Hyundai Engineering
M+W Group
Arcadis
Antea Group
Macgregor
AMP Capital
Asian Development Bank
AusAID
Credit Suisse
Deutsche Bank
Indonesia Infrastructure Finance
International Finance Corporation
KfW
United Nations Development Program
Worldbank
Adidas
Estee Lauder
Kimberly Clark
Michelin
Nike
Rolls Royce
SAVE Footwear, Apparel & Accessory
Silesia Flavours
Givaudan
Takasago International (S)
Afton Chemical 
Akzo Nobel
ARSynergy
Banyan Caversn Storage Services (Jurong Rock Caverns)
BASF Chemicals Company
Chemical Specialties Limited
Chevron Oronite 
Coilcraft Singapore
Eastman Chemical Company
Evonik (SEA) 
ExxonMobil
Fuji Oil Singapore
GRACE (W.R. Grace and Company)
Infineum Singapore 
Jurong Aromatics Corporation
KrisEnergy (Block A Aceh B.V.)
Mitsui Chemical 
Nalco Pacific 
Nikko Chemicals 
PT. Pertamina (Persero)
Sabic Asia Pacific Pte Ltd
Shell
Singapore Petroleum Company Limited – SPC
Sinopec Lubricant (S) 
Sumitomo Chemical
TOTAL Oil Asia-Pacific 
Veolia
Apple
Autodesk
Digital Realty
DSCO
Manulife
Microsoft
Oracle
Salesforce
TES-AMM
Workday
Yahoo
Apple
Autodesk
Digital Realty
DSCO
Manulife
Microsoft
Oracle
Salesforce
TES-AMM
Workday
Yahoo