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HDMA's Mission

HDMA’s mission is to advance the commercial vehicle supplier industry and the business interests of our members.

About HDMA

Founded in 1983, the Heavy Duty Manufacturers Association (HDMA) is the Heavy Duty division of the Motor and Equipment Manufacturers Association. HDMA serves over 200 commercial vehicle component-supplier manufacturer members through INSIGHT, CONNECTION, and ADVOCACY.


HDMA members include manufacturers to the following market segments:

  • On-highway truck

  • On-highway trailer

  • Off-highway construction and industrial equipment

  • Off-highway agriculture and forestry

  • Off-highway mining

  • Military vehicles


Member product offerings include:

  • Braking system and wheel end

  • Drivetrain

  • Engine and vehicle diagnostics

  • Engine parts

  • Exhaust and exhaust aftertreatment products

  • Filtration

  • HVAC products and system

  • Steering, suspension and chassis

  • Vehicle lighting and wiring


View the full list of current HDMA member companies.

About MEMA

HDMA’s parent organization, MEMA, was founded in 1904 at the dawn of the motor vehicle supplier industry and has remained the only organization focused on the business interests of the supplier community. 

MEMA serves its 1,100+ manufacturer/supplier members through four market segment targeted divisions: AASA for the LV aftermarket; HDMA for the commercial vehicle industry; MERA for the aftermarket remanufacturing industry; and OESA for LV OEM. In addition, MEMA has a fully staffed Government Affairs Office, providing MEMA members with a range of advocacy, including pertinent information on policies in the federal, state, and municipal governments that directly relate to the mobility industry.