American Trucking Association

FMCSA - Federal Motor Carrier Safety Administration

Intermodal Association of North America

Oklahoma Trucking Association

Specialized Carriers & Riggers Association

Truck Load Carriers

Arkansas Trucking Association

Florida Trucking Association

Motor Equipment Manufacturers Association

San Antonio Manufacturers Association

Technology & Maintenance Council

Truck Renting & Leasing Association

California Trucking Association

Georgia Motor Trucking Association

National Private Truck Council

San Antonio Transportation Association

Texas Trucking Association

Truck Trailer Manufacturers Association

Commercial Vehicle Safety Alliance (CVSA)

Heavy Duty Manufacturers Association

National Trailer Dealer's Association

Society of Automotive Engineering

Tire Retread & Repair Information Bureau

Utah Trucking Association