American Petroleum Institute - Trade association for the U.S. petroleum and natural gas industries.
Energy Information Administration-Petroleum - "Policy neutral data, forecasts, and analyses to promote sound policy making, efficient markets, and public understanding regarding energy and its interaction with the economy and the environment."
National Petroleum Council -"An oil and natural gas advisory committee to the Secretary of Energy"
Society Of Petroleum Engineers - Professional organization for Petroleum Engineers
World Petroleum Council - "The global forum for oil and gas science, technology, economics and management."