American petroleum institute annual report
A GuideStar Pro report containing the following information is available for this organization: Financial trends metrics for five most recent years 2017, 2016, 2015, 2014, 2013*. AMERICAN PETROLEUM INSTITUTE 200 MASSACHUSETTS AVE NW, WASHINGTON, DC 20001-1429 | Tax-exempt since April 1938 The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. Our more than 600 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry.