The Embassy of the United States of America - Manila

Manila Electric Company (MERALCO)

Manila International Airport Authority (MIAA)

Aboitiz Power

The AES Corporation - Philippines

Clark Electric Distribution Corporation

National Grid Corporation of the Philippines (NGCP)

National Power Corporation (NPC)

Hydroelectric Development Corporation (HEDCOR)

Energy Regulatory Commission

The National Transmission Corporation (TransCo)

Visayan Electric Company, Inc. (VECO)

Davao Light and Power Company

Subic EnerZone Corporation (SEZ)

Bohol I Electric Cooperative, Inc. (BOHECO I)

South Cotabato II Electric Cooperative, Inc. (SOCOTECO II)

Davao del Norte Electric Cooperative, Inc. (DANECO)

Davao del Sur Electric Cooperative, Inc. (DASURECO)

Cotabato Light and Power Company

Quezon Power (Philippines), Limited Co.

Cagayan Electric Power and Light Company, Inc. (CEPALCO)

Central Negros Electric Cooperative, Inc. (CENECO)

Bohol Light Electric Co. Inc.

Negros Occidental Electric Cooperative, Inc. (NOCECO)

Iloilo I Electric Cooperative, Inc. (ILECO-I)

BAC-MAN GEOTHERMAL INC.

More Electric and Power Corporation

ILIGAN LIGHT & POWER, INC.

GNPOWER KAUSWAGAN LTD. CO.

FIRST BUKIDNON ELECTRIC COOPERATIVE, INC.

SOUTH COTABATO I ELECTRIC COOPERATIVE, INC.