Air Freight Association	Air Traffic Control Association
Air Transport Association	Aircraft Owners and Pilots Association
Airline Pilots Association	Airport Minority Advisory Council
Airport Consultants Council	Airports Council International
American Association of Airport Executives	American Association of Port Authorities
American Bus Association	American Concrete Pavement Association
American Concrete Pipe Association	American Consulting Engineers Council
American Highway Users Alliance	American Institute of Aeronautics
American Institute of Steel Construction	American Motorcyclist Association
American Petroleum Institute	American Portland Cement Alliance
American Prestressed Concrete Association	American Public Transit Association
American Public Works Association	American Road & Transportation Builders Association
American Society of Civil Engineers	American Society of Travel Agents
American Subcontractors Association	American Traffic Safety Services Association
American Trucking Associations, Inc.	American Waterways Operators
Asphalt Institute	Associated Builders & Contractors
Association Equipment Distributors	Associated General Contractors of America
Associated Prevailing Wage Contractors	Association of Air Medical Services
Better Roads & Transportation Council	Consolidated Freightways, Inc.
Construction Industry Materials & Services Suppliers Coalition	Contech Construction Products, Inc.
Design-Build Institute of America	Dredging Contractors of America
Energy Absorption Systems, Inc.	Top
Experimental Aircraft Association	Fluor Corp.
General Aviation Airports Coalition	General Aviation Manufacturers Association
Helicopter Association International	High Speed Ground Transportation Association
Institute of Transportation Engineers	International, Bridge, Tunnel & Turnpike Ass'n.
International Road Federation	International Brotherhood of Teamsters
International Taxicab & Livery Association	International Union of Operating Engineers
Laborers-Employers Cooperation & Educational Trust	Laborers International Union of North America
National Aeronautic Association	National Aggregates Association
National Air Carrier Association	National Air Transportation Association
National Aircraft Resale Association	National Asphalt Pavement Association
National Association of County Engineers	National Association of State Aviation Officials
National Association of Surety Bond Producers	National Association of Truck Stop Operators
National Business Aviation Association	National Business Travel Association
National Federation of Independent Business	National Grange
National Limousine Association	National Moving & Storage Association
National Society of Professional Engineers	National Steel Bridge Alliance
National Stone Association	National Utility Contractors Association
National Waterways Conference	Owner-Operators of Independent Drivers of America
Outdoor Advertising Association of America	Parsons Brinckerhoff, Inc.
Prestressed Concrete Institute	Professional Aviation Maintenance Association
Recreation Vehicle Industry Association	Regular Common Carrier Conference
Salt Institute	Small Aircraft Manufacturers Association
Small Business Legislative Council	Specialized Carriers & Rigging Association
Steel Manufacturers Association	Transportation Construction Coalition
Transportation Intermediaries Association	The Road Information Program
Travel and Tourism Government Affairs Council	United Bus Owners of America
U.S. Chamber of Commerce	Vulcan Materials Company
Women First	Yellow Corporation