| Adedge Technologies |
IDE Technologies Ltd. |
Procter & Gamble |
| ADI |
Illinois American Water |
Pureflow Ultraviolet |
| American Water Services |
Inima Servicios Europeos de Medio
Ambiente S.A |
Recovery Engineering |
| American Water Works |
Inland Empire Utilities Agency
|
Resource Trends, Inc. |
| American Water Works Assn Research
Foundation |
Ionics Inc. |
Rohm and Haas |
| Applied Process Technology Inc. |
ITT Industries |
RWE |
| Aqua Resources International |
John Holland Water |
SEACOR SMIT Inc. |
| Aquarion |
Kahrama SpA |
Severn Trent Services |
| AquaSource |
Kelda Group plc |
Suez |
| Argonide Corp. |
Kellogg, Brown and Root |
Sybron Chemicals |
| Armco Steel |
Kinetico |
Synagro |
| Association of Compost Producers |
Kirkpatrick & Associates |
Synagro West, Inc. |
| Baker Energy |
Koch Membrane Systems |
Tampa Bay Water |
| Battelle |
Lions Gate Water |
Thames Water |
| Bechtel National Inc. |
Los Angeles County Sanitation
Districts |
Thermodyne Inc. |
| BetzDearborn |
LA Department of Water and Power |
Trojan Technologies Inc. |
| Black & Veatch |
Louis Berger Group Inc. |
Tyco |
| Burns & McDonnell |
Manidis Roberts |
U.S. Bureau of Reclamation |
| Cadiz Inc. |
McKinsey & Co. |
U.S. Composting Council |
| Calgon Carbon Corp. |
Metcalf & Eddy |
United KG |
| Center for Food Safety |
Michael Baker Corp. |
United Water |
| CH2M Hill |
Miller Environmental Group Inc. |
USFilter |
| Covanta Water Systems |
Montgomery Watson |
USFilter Operating Services |
| Doosan Heavy Industries |
Morton International |
Utilities Inc. |
| Earth Tech |
MWH |
Veolia Environnement |
| ECO Resources |
Nalco |
Vivendi Environnement |
| Elizabethtown Water Co |
Norit |
Vivendi Universal |
| Envl Financial Consulting
Group |
Northwestern University |
Water Envt Research Foundation |
| Environmental Science Research
Institute |
Nuon |
Water Partnership Council |
| FilmTec Corp. |
OMI/Thames Water Stockton Inc. |
WaterBank Trust |
| General Electric Corp. |
Ondeo Degremont |
WateReuse Association |
| Glegg Water Systems |
Operations Management International |
Watermark Technologies |
| Haestad Methods Inc. |
Osmonics Inc. |
Western Water Co. |
| Harza Engineering |
OTID Consortium |
WestWater Research LLC |
| Hercules Inc. |
Pentair |
WHYY Inc. |
| Hydranautics |
Philadelphia Suburban Corp. |
Yorkshire Water |
| HydroPure Technologies LLC |
Poseidon Resources |
|