Alliance for Energy and Economic Growth
Alliance to Save Energy
American Council for an Energy-Efficient Economy
American Gas Association
American Public Gas Association
Association of Home Appliance Manufacturers
Common Ground Alliance
Department of Energy Fossil Energy Office
Energy Information Administration
Energy Solutions Center
Gas Processors Association
Gas Technology Institute
International Association for Natural Gas Vehicles
Interstate Natural Gas Association of America
Midwest Energy Association
National Association of Regulatory Utility Commissioners
National Energy Foundation
National Environmental Trust
Natural Gas Information and Educational Resources
Natural Gas Vehicle Coalition
Natural Gas Supply Association
Northeast Gas Association
Southern Gas Association
