Michael Wirth

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 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.

American Heart Association, Inc. operates a voluntary health organization funded by private contributions. The organization offers services for coronary heart diseases and strokes, high blood cholesterol & physical inactivity, obesity, and diabetes. The company was founded in 1924 and is headquartered in Dallas, TX.

Catalyst, Inc. provides research and advisory services. The company was founded in 1962 and is headquartered in New York City, NY.

The National Petroleum Council operates as a council for national petroleum. The private company is based in Washington.

The Business Roundtable advocates public policies that ensure economic growth. It considers public policy issues which contains groups like the construction users anti-inflation roundtable, a group devoted to containing construction costs; and the labor law study committee, made up of labor relations executives of major companies. The Business Roundtable was founded in 1972 and is headquartered in Washington, DC.

The Business Council operates as an organization of business leaders. The company is headquartered in Washington, DC.