Transportation Equipment Trade Associations
Aerospace Industries Association (AIA)
Represents U.S. aerospace and defense manufacturers and suppliers, leading advocacy, standards work, and industry research; more than 300 member companies.
https://www.aia-aerospace.org Membership: 300
Aircraft Electronics Association (AEA)
Global trade association for avionics manufacturers, distributors, and approved maintenance organizations in general aviation; nearly 1,300 member companies in 40+ countries.
https://aea.net Membership: 1,300
American Bus Association (ABA)
The industry association for motorcoach, tour and group travel companies—connecting operators with destinations, attractions and suppliers; about 1,000 motorcoach/tour companies plus 2,800 travel/tourism and supplier members.
https://www.buses.org Membership: 3,800
American Public Transportation Association (APTA)
North America’s umbrella association for all modes of public transportation, uniting agencies with vehicle and component manufacturers and suppliers; more than 1,600 public and private members.
https://www.apta.com Membership: 1,600
Association for Uncrewed Vehicle Systems International (AUVSI)
World’s largest uncrewed systems and robotics association across air, ground and maritime domains; community includes 7,000+ members and 400+ organizations.
https://www.auvsi.org Membership: 7,000
Association of Equipment Manufacturers (AEM)
North America’s trade group for off-road equipment makers and suppliers in agriculture, construction, mining, utility and forestry; membership surpassed 1,100 companies in 2024.
https://www.aem.org Membership: 1,100
Auto Care Association
Represents the full automotive aftermarket supply chain—manufacturers, distributors, retailers and service providers—with nearly 3,000 member companies.
https://www.autocare.org Membership: 3,000
General Aviation Manufacturers Association (GAMA)
International association for general aviation aircraft, rotorcraft, engine, avionics and component manufacturers; represents 140+ companies.
https://gama.aero Membership: 140
MEMA, The Vehicle Suppliers Association
North America’s leading voice for vehicle suppliers across OE and aftermarket segments, representing over 1,000 member companies.
https://www.mema.org Membership: 1,000
Motorcycle Industry Council (MIC)
U.S. trade association for motorcycle and powersports manufacturers, distributors and allied trades; 300+ member companies.
https://www.mic.org Membership: 300
National Association of Trailer Manufacturers (NATM)
Industry group for light- and medium-duty trailer manufacturers and suppliers (under 26,000 lbs GVWR), representing 1,000+ companies and running a compliance verification program.
https://www.natm.com Membership: 1,000
National Marine Manufacturers Association (NMMA)
Leading trade group for the North American recreational boating industry; 1,400 member companies produce 80%+ of boats, engines, trailers and marine accessories.
https://www.nmma.org Membership: 1,400
NTEA – The Work Truck Association
The Work Truck Association for companies that build, upfit, distribute and service commercial trucks, bodies, equipment, trailers and accessories; 2,100+ member companies.
https://www.ntea.com Membership: 2,100
Railway Engineering-Maintenance Suppliers Association (REMSA)
Represents maintenance‑of‑way suppliers, contractors and engineers serving freight and transit rail; more than 200 member companies.
https://www.remsa.org Membership: 200
Railway Supply Institute (RSI)
Largest U.S. trade association representing the full rail supply chain, from parts manufacturers to railcar builders/lessors; 160+ member companies.
https://www.rsiweb.org Membership: 160
Railway Systems Suppliers, Inc. (RSSI)
Association for railway signal and communications suppliers; over 260 member companies and an annual industry trade show.
https://rssi.org Membership: 260
Recreational Vehicle Industry Association (RVIA)
National association for RV and park model manufacturers and suppliers; 500+ members whose companies produce roughly 98% of U.S.-made RVs.
https://www.rvia.org Membership: 500
Shipbuilders Council of America (SCA)
Leading voice of the U.S. shipyard industrial base—shipbuilders, repairers and suppliers; more than 140 member companies.
https://shipbuildersusa.org Membership: 140
Specialty Equipment Market Association (SEMA)
Automotive specialty‑equipment (aftermarket) trade association supporting customization and performance businesses; 7,500+ member companies.
https://www.sema.org Membership: 7,500
U.S. Tire Manufacturers Association (USTMA)
National trade association for U.S. tire manufacturers; 13 member companies operating dozens of facilities across 17 states.
https://www.ustires.org Membership: 13
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