American Petroleum Institute Inc. (API)


American Petroleum Institute (API) represents all segments of America’s oil and natural gas industry. Its more than 600 members produce, process, and distribute most of the nation’s energy. The industry supports 10.9 million U.S. jobs and is backed by a growing grassroots movement of more than 47 million Americans. API was formed in 1919 as a standards-setting organization. In its first 100 years, API has developed more than 700 standards to enhance operational and environmental safety, efficiency and sustainability.

Editor's note: Updated Jan. 22, 2020.

Headquarters Address

200 Massachusetts Avenue NW
Washington, DC 20001
United States

Main Phone Number


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API collaborated with American Fuel & Petrochemical Manufacturers to develop the Process Safety Site Assessment Program which helps operators improve safety performance.

API’s Pipeline Safety Management System (PSMS) is a benchmark for the natural gas and oil industry to enhance safety and operations. A key element of PSMS is learning and sharing among operators.

The American Petroleum Institute (API) approaches cybersecurity the same way it approaches safety – it is a top priority that requires a systematic, multi-dimensional approach and allows for adaptation in a quickly shifting landscape.

COS was established ten years ago to provide tools and peer learning opportunities, share good practices and support companies on the U.S. Outer Continental Shelf.

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