American Association of Port Authorities ((AAPA represents state and local governments that develop and build seaport facilities to handle waterborne commerce).

American Association of State Highway and Transportation Officials (AASHTO is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia and Puerto Rico.)

American Trucking Associations (ATA is the national voice for the trucking industry before Capitol Hill, regulators, the courts and the media.)

Association of American Railroads (AAR members include the major freight railroads in the United States, Canada and Mexico, as well as Amtrak.)

Association of Metropolitan Planning Organizations ( (AMPO is the transportation advocate for metropolitan regions and is committed to enhancing MPOs' abilities to improve metropolitan transportation systems.)

Coalition for America's Gateways and Trade Corridors (CAGTC comprises organizations including motor carriers, railroads, ports, engineering firms, and freight corridors that have come together to improve national freight efficiency with the sole purpose of raising public recognition and Congressional awareness of this need and to promote sufficient funding in federal legislation for trade corridors and gateways.)

Inland, Rivers Ports and Terminals, Inc. (IRPT is the trade association for the nation's inland waterway, port and terminal professionals.)

Intermodal Association of North America (IANA is North America's leading industry trade association representing the combined interests of the intermodal freight industry.)

National Association of Manufacturers (NAM is the nation's largest industrial trade association, representing small and large manufacturers in every industrial sector and in all 50 states. )

National Association of Regional Councils (NARC represents marine terminal operators and the stevedoring industry in the United States)

National Industrial Transportation League (NITL was established in 1907 to represent shippers in their dealings with various regulatory bodies)

National Retail Federation (NRF is the world's largest retail trade association, with membership that comprises all retail formats and channels of distribution)

U.S. Chamber of Commerce (the world's largest business federation representing more than 3 million businesses of all sizes, sectors, and regions. It includes hundreds of associations, thousands of local chambers, and more than 100 American Chambers of Commerce in 91 countries.)

The Waterfront Coalition (a group of concerned business interests representing importers, exporters, transportation providers, and others in the transportation supply chain committed to educate policy makers and the public about the economic importance of U.S. ports and foreign trade, and to promote the most efficient and technologically advanced ports for the twenty-first century.)