• Technology & Maintenance Council
• Tennessee Trucking Association
• Texas Motor Transport Association
• Tire Industry Association
• Transportation Intermediaries Association
• Truck Trailer Manufacturers Association
• Truckload Carriers Association

• Used Truck Association
• Utah Trucking Association
• Virginia Trucking Association
• Washington Trucking Association
• West Virginia Motor Truck Association
• Wisconsin Motor Carriers Association
• Wyoming Trucking Association