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Our Mission

Founded in 1983, The Heavy Duty Manufacturers Association (HDMA) is the Heavy Duty division of the Motor and Equipment Manufacturers Association (MEMA). 

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

HDMA serves its 220+ commercial vehicle component-supplier members through government and industry advocacy, timely news and information, market research and analysis, promotion of the North American manufacturer/supplier industry and facilitating industry networking through a range of events, peer councils and services. 

Membership includes North American suppliers to the global on and off-highway equipment OEM and replacement parts markets. HDMA's member services have a global perspective in a global industry; over 60% of HDMA member companies are global in scope.  

HDMA 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 office of government affairs experts, in DC. MEMA and its divisions provide members with a range of advocacy, industry news, networking, industry event and market research and analysis activities. 

MEMA and its divisions' primary purpose is to drive growth in a profitable, innovative and influential motor vehicle supplier industry.

As a non-profit trade association, HDMA proudly complies with antitrust guidelines and has outside legal counsel at every member, forum and council meeting. 

About HDMA

With HDMA’s diverse membership, all aspects of the commercial vehicle supplier community are represented.  HDMA’s member company list consists of a wide range of leading NAFTA based suppliers of commercial vehicle components. Major publicly held firms, such as Accuride Corporation, MAHLE Behr USA Inc., Meritor, Eaton Corporation, Tenneco, Inc., Dana Holdings, Federal Mogul and Delphi; large private firms, such as Bendix CVS, Robert Bosch, Hendrickson, Marmon Highway Technologies; smaller public firms such as Curtiss Wright Corporation, Defiance Metal Products and multiple privately held companies such as, Bergstrom Inc., Phillips Industries, Horton Holdings, Pressure Systems International, MGM Brakes/Indianhead Industries, and Link Manufacturing.

Member’s product offerings range from engine and powertrain components, to braking systems, to suspension, to electrical and electronic components and systems.  HDMA works with its member executives to advocate on behalf of the industry for practical legislation and regulation affecting the industry. The association also works with the legislature to promote incentives for technologies and products for vehicle efficiencies and safety. The commercial vehicle supplier industry has a strong record of innovation that has facilitated significant improvement in the areas of safety, environmental and fuel economy for commercial vehicles.

The association has several vertical groups focused on heavy vehicle braking, fuel economy and electronic systems. These groups participate in MEMA’s government and regulatory affairs committees on various important issues.

North Carolina based, HDMA is the commerical vehicle division of Motor Equipment Manufacturers Association with its 112 year tradition of service to motor vehicle parts suppliers, of both OE and aftermarket of the light vehicle and heavy duty commercial vehicle segments.  The experience of being a valued partner helps HDMA and MEMA anticipate the needs of our members and strengthens our ability to impact government related issues and predict industry trends accurately and consistently.