| 3 Tier Inc |
| ABB Inc. |
| ABB Ltd. |
| Acotec |
Active Power Systems Limited |
Allnorth Consultants Limited |
| Alstom Hydro Canada |
| Andritz |
| BPR INC. |
| Brookfield Renewable Power Inc. |
C.F. Malm Engineers LLC |
| Canadian Babbitt Bearings Ltd |
Canadian Hydro Components Ltd. |
Canadian Hydro Developers Inc. |
CANMEC Group Inc |
| CELAPEH |
| Clean Energy Development Bank Limited |
EDF - Hydro Engineering |
| Energoinvest Ltd |
| Energy Trust of Oregon, Inc. |
| ESHA |
FEA Novosvit |
Fortis BC |
GENIVAR |
| Gilkes |
Hatch |
Homer Electric Association Inc |
| Hydreo SHC |
| Hydro Green Energy |
Hydromega |
IMTA |
| Instituto Mexicano de Tecnología del Agua |
| KATAHDIN ENERGY WORKS |
| Kerr Wood Leidal Associates Ltd |
KGS |
| Khuzestan Water & Power Authority (KWPA) |
| Kirchdorfer Group |
| Klohn Crippen Berger Ltd. |
| Knight Piesold |
Kruger Energy Inc. |
| Lay Volunteers International Association |
| London Economics International / Ampers and Energy |
| Mapna Generator Co. |
| MWH Canada,Inc |
| National Institute Of Technology (India) |
| NRCAN |
OEL-HydroSys Inc. |
Ontario Power Generation |
Pemberton Power Corp. |
Peter Kiewit Sons |
| Puget Sound Energy |
Rapid-Eau Technologies Inc |
| RMD-Consult GmbH |
| SINTEF Byggforsk |
| SIGMA ENGINEERING LTD |
Uganda Electricity Generation Company Ltd. |
Unit Electrical Engineering Ltd. |
| VibroSystM inc. |
Voith Siemens Hydro Power Generation Inc |
Vortex Hydrosystems Inc. |
| WEC Ltd |
WHPacific, LLC |