| ABB Pte Ltd |
| Abeima |
| Acme Pump (Asia) Pte Ltd |
| Anhui Qingyang Fangxing Industrial Co., Ltd |
| Ann's International Exhibitions Co., Ltd |
| ANXON/Pioneer Environmental Technology Pte Ltd |
| Asahi Kasei |
| Ashland (China) Holdings Co. Ltd |
| Asoky Singapore Pte Ltd/UIA |
| ATL Industries Pte Ltd |
| AUMA Actuators (Singapore) Pte Ltd |
| AVK Valves Manufacturing Malaysia Sdn Bhd |
| AWA Instruments Pte Ltd |
| Batt Cables |
| Beijing Hengju Chemical Group Corporation |
| BeiJing Origin Water Technology Co.,Ltd |
| Beijing Puresino-Boda Environmental Engineering Co., Ltd. |
| Beijing Scinor Membrane Technology Co. Ltd. |
| Beijing Sinfotek Technology Co., Ltd. |
| Beijing Tidelion S&I Rainwater Harvesting Technology Co.,Ltd |
| Beijing Tri-High Membrane Technology Co., Ltd |
| Biofuel Research Pte Ltd |
| Black & Veatch |
| Boerger Pumps Asia Pte Ltd |
| Borouge Pte Ltd |
| Boustead Salcon Water Solutions Pte Ltd |
| Boyang (Hong Kong) Technology Development Company |
| British Water |
| CDM Smith |
| CH2M HILL |
| Chemical Process Piping Pvt. Ltd. |
| Chuah Valves Manufacturing Sdn Bhd |
| CPG |
| CST Industries Singapore Pte Ltd |
| CTP Environment Asia Pacific Pte Ltd |
| Deeter Electronics Ltd |
| DHI Ballast Water Centre |
| DHI Water & Environment (S) Pte Ltd |
| DNR Process Solutions Pte Ltd |
| Dow Chemical (China) Co.,Ltd |
| ECO Oxygen Technologies, LLC |
| Emerson Process Management Asia Pacific Pte Ltd |
| Endress+Hauser (S.E.A.) Pte Ltd |
| Envipure Pte Ltd |
| ETH Singapore SEC Ltd |
| Euroflo Pumps International Pte Ltd |
| Euwa Singapore Pte Ltd |
| Federal Screen Products |
| Fenghua Xingyu Electron Co., Ltd. |
| Festo Pte Ltd |
| Bright Sheland International Co., Ltd |
| Flanders Investment & Trade |
| Flotech Control Pte Ltd |
| Fluid Equipment Development Co. |
| Fluidra Group |
| For Earth (Singapore) Pte Ltd |
| Fujian Newland Entech Co,. Ltd |
| GE Power & Water, Water & Process Technologies |
| Geoenvironment Technologies |
| GLV/Ovivo Singapore Pte Ltd |
| GMF-GOUDA Singapore Pte Ltd |
| Grupo Industrial Vicente Canales |
| Guizhou Green Environmental Protection Equipment & Engineering C.,Ltd |
| Hach Company c/o Fluke South East Asia Pte Ltd |
| Hangzhou Pass Fluid Equipement Co., Ltd |
| Henan Sutront Tech Co., Ltd |
| HF Pure Water |
| High Commission of Canada |
| Hitachi Asia Ltd. |
| Horiba Instruments (Singapore) Pte Ltd |
| Huber Technology Asia Pacific Pte Ltd |
| Hydac Technology Pte Ltd |
| Hydranautics/Nitto Denko (S) Pte Ltd |
| Hyflux |
| Idro Technology Pte Ltd- Glowtech |
| inge GmbH |
| IQPR Sdn Bhd (China IQPR Technology Investment Co. Ltd) |
| ITS Envirochem Pte Ltd |
| ITT Corporation/Xylem |
| Jiangsu International Environmental Services Co., Ltd. |
| JTC Corporation - EDB |
| Keppel Corporation |
| Koch Membrane Systems, Inc. |
| Korea Environmental Industry & Technology Institute |
| Lanxess Pte Ltd |
| Linyi Jinmin Water Co., Ltd |
| Liqtech Pte Ltd |
| Mann+ Hummel Ultra-Flo Pte Ltd |
| Meiden Singapore Pte Ltd |
| Membrana |
| Membrane Instruments and Technology Pte Ltd |
| Membrane Solutions, LLC |
| Memstar Technology Ltd |
| memsys clearwater Pte. Ltd. |
| Metrohm Singapore Pte Ltd |
| Mettler- Toledo (S) Pte Ltd |
| Microfilter Co. Ltd |
| Mitsubishi Electric |
| Mitsubishi Rayon Co., Ltd. |
| Moya Asia Limited |
| MWH Consultants (S) Pte Ltd |
| Nanjing Beite Environmental Protection GE Manufacture Co., Ltd |
| Netherlands Water Partnership |
| Netzsch Asia Pacific Pte Ltd |
| North Carolina Department of Commerce |
| NSF Asia-Pacific Co.,Ltd. |
| NTU Nanyang Environment & Water Research |
| NUS Environmental Research Institute |
| Ontario Ministry of Economic Development & Trade |
| Optiqua Technologies Pte Ltd |
| Pan Asian Water Solutions Limited |
| Parkson Corporation |
| Pentair Water Asia Pacific Pte Ltd |
| Pipeco Sdn Bhd |
| Pipeline Services Pte Ltd |
| PMPS Liner Technology (S) Pte Ltd |
| Porex Filtration |
| PRAJ Industries Ltd |
| PUB- Environment and Water Industry |
| Purafil, Inc. |
| Pure Technologies Ltd |
