Lista Parcial de Clientes: Amoco Corporation, Anderson Oil & Gas, Apache Canada Ltd, Aramco Services Company, ARCO, Dowell, ELF, , Petro Canada, ExxonMobil, ChevronTexaco, Chinese Petroleum Company, Korea Gas Company, Japan Gas Co., Crestar Energy, BJ Services, BP,

Breitburn Energy, Marathon Oil Corporation, Marshall Exploration, Meridian Oil Company, , Getty Refining, Mobil Chemical, BP, , BJ Services, BHP Billiton, entre otros.