American Petroleum Institute

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API is the only national trade association that represents all aspects of Americaメs oil and natural gas industry. Our 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

Sector: Oil & Energy


Year Established: 1919