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American Petroleum Institute |
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| API is the major national trade association representing the entire petroleum industry: exploration and production, transportation, refining, and marketing. With headquarters in Washington, D.C., and petroleum councils in 33 states, it is a forum for all parts of the oil and natural gas industry to pursue priority public policy objectives and advance the interests of the industry in a legally appropriate manner. |
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| American Petroleum Institute |
| Washington, District of Columbia |
| USA |
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