| ABOITIZ POWER CORPORATION |
| ALTERNERGY MINI HYDRO HOLDINGS CORPORATION |
| ANDRITZ HYDRO, INC. (REGISTERED as PHP PHILIPPINES HYDRO PROJECT INC.) |
| CATUIRAN HYDROPOWER CORP. |
| CORDILLERA HYDRO ELECTRIC POWER CORP. |
| DUMDUMA-BACOY POWER CORP. |
| ENERVANTAGE SUPPLIERS CO., INC. |
| FIRST GEN HYDRO POWER CORPORATION |
| FIRST GEN MINDANAO HYDROPOWER CORPORATION |
| GHD Pty Ltd |
| GLOBAL HYDRO ENERGY GMBH |
| GREGORIO ARANETA ENERGY HOLDINGS, INC. |
| HEDCOR, INC. |
| ALSONS ENERGY DEVELOPMENT CORPORATION |
| KRAH PIPES MANILA, INC |
| MARKHAM RESOURCES CORPORATION |
| PARAGON PEGASUS SOLUTIONS, INC. |
| SMITH BELL MINI-HYDRO CORPORATION |
| SN-ABOITIZ POWER MAGAT |
| STA. CLARA POWER CORPORATION |
| TAFT HYDROENERGY CORP |
| VIVANT CORPORATION |
| VOITH FIJI HYDRO K.K.’S PHIL BRANCH OFFICE |
| AHUNAN POWER, INC. |
| OLYMPIA VIOLAGO WATER AND POWER, INC. |