Passenger cars share the road with commercial vehicles like medium- and heavy-duty trucks, which are used to move the vast majority of goods in the United States. Additionally, we depend on school and transit buses and emergency vehicles to operate in a safe and efficient manner. Heavy-duty suppliers provide the original equipment parts used to manufacturer commercial vehicles and aftermarket replacement parts needed to maintain the vehicles in service and on the road. Heavy-duty suppliers are also responsible for developing most of the technologies that keep these vehicles safe.

Visit the Heavy Duty Manufacturers Association (HDMA) website, part of the MEMA network, to learn more.