Local

• Port Authority of Trinidad and Tobago

• Plipdeco

• Gulf Marine

• Trinmar

• Petrotrin

• Trinidad and Tobago Electricity Commission (T&TEC)

• Telecommunications Services of Trinidad and Tobago (TSTT)

• Power Generation Company of Trinidad and Tobago Limited (Power Gen)

• BPTT LLC

• Laughlin and De Gannes

• Diamond Motors

• Fire Services of Trinidad and Tobago

• Coast Guard

Regional
 

• Anguilla Electricity Company Limited (ANGLEC)

• St. Vincent Electricity Services Limited (VINLEC)

• Barbados Light and Power Company Limited

• Dominica Electricity Services Limited DOMLEC

• Ameco Caribbean Limited (Jamaica)

• Guyana Power & Light

• St. Kitts Electricity

• Bahamas Electrical Company (BEC)