API PIPELINE CONSTRUCTION COMPANY LIMITED

ATLANTIC LNG COMPANY OF TRINIDAD & TOBAGO
BG TRINIDAD & TOBAGO LIMITED

BHP BILLITON

BP TRINIDAD & TOBAGO LLC

BSI SERVICES (TRINIDAD) LIMITED

CARILLION (CARIBBEAN) LIMITED

DAMUS LIMITED

EOG RESOURCES

HULL SUPPORT SERVICES LIMITED

INDUSTRIAL PLANT SERVICES LIMITED (IPSL)

MASSY WOOD GROUP

METHANEX TRINIDAD (TITAN) UNLIMITED

NATIONAL GAS COMPANY (NGC)

OFFSHORE TECHNOLOGY SOLUTIONS LIMITED (OTSL)

PETROLEUM COMPANY OF TRINIDAD & TOBAGO LIMITED (PETROTRIN)

PETROTRIN TRINMAR OPERATIONS

POWER GENERATION COMPANY OF TRINIDAD &

TOBAGO LIMITED (POWERGEN)

PHOENIX PARK GAS PROCESSORS LIMITED (PPGPL)

PROMAN AG (TRINIDAD) LIMITED

SAMSUNG ENGINEERING

TRINIDAD OFFSHORE FABRICATORS (TOFCO)

TRINIDAD GENERATION UNLIMITED (TGU)