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Founded in 1983, the Heavy Duty Manufacturers Association (HDMA) is a member driven organization that continues to provide industry leadership for NAFTA based heavy duty original equipment and aftermarket commercial vehicle suppliers. This is accomplished through a range of services to its nearly 200 member companies, which represent direct employment of over 180,000 in their US facilities.

HDMA serves its on and off-highway commercial vehicle supplier members as their voice to government and industry. HDMA members actively participate in the organization's government affairs initiatives, executive forums, product councils, premier industry events and education programs. Our members are regularly provided with timely updates on industry news, action and information on government affairs, industry trends, market developments and with member benchmarking surveys and analysis.
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Heavy Duty Aftermarket Week (HDAW) 2025
Heavy Duty Aftermarket Week
1/20/2025 - 1/23/2025
Heavy Duty Aftermarket Week (HDAW) 2026
Heavy Duty Aftermarket Week
Dates: TBD



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