Alabama Oilmen's Association/ Alabama Association of Convenience Stores
400 wholesale petroleum marketers and convenience store operators across the state of Alabama

Alabama Petroleum Equipment Contractors Association
contractors who engage in the installation and maintenance of petroleum product facilities

Alaska Oil and Gas Association
oil and gas industry in Alaska

Alianza Empresarial Petrolera
downstream association in Venzuela

Alliance for Proper Gasoline Handling
consortium of public-private sector partners, was created to help reduce the significant environmental harm caused by the millions of small accidental gasoline spills that occur each year

American Coalition for Ethanol
promoting the increased production and use of ethanol

American Gas Association
USA; natural gas distribution, transmission, gathering and marketing companies; Current Stats and Studies; Natural Gas News; Analyses, Reports and Statistics

American Institute of Chemical Engineers
chemical engineers; chemical processing; refining

American Methanol Institute
USA, protect and expand markets for methanol, methyl tertiary butly ether (MTBE)

American National Standards Institute
administrator and coordinator of the United States private sector voluntary standardization system

American Petroleum Institute
petroleum industry; API InfoMart

American Public Gas Association
trade organization representing America's publicly owned natural gas distribution systems

American Society for Testing and Materials
standards; Technical publications, training courses, and Statistical Quality Assurance Programs

American Society of Gas Engineers
Improvement, Expansion, Recognition of the Gas Industry

American Society of Petroleum Operations Engineers
USA; industry association dedicated to petroleum marketing engineering information.