HDMA Mailing Address
The Heavy Duty Manufacturers Association
10 Laboratory Drive 
PO Box 13966 
Research Triangle Park, NC 27709-3966 
Phone - (919) 549.4800       
Fax - (919) 506.1465

Marketing and Events
Jennifer Hjalmquist

Membership Development
Beth Barkovich

Member Services and Support
Katelyn Litalien

Communications
Megan Guess

Research
Richard Anderson

Media
media@hdma.org

Website Inquiries
info@hdma.org