About The Association

OESA is one of the four divisions of the Motor & Equipment Manufacturers Association (MEMA).

Members of MEMA divisions are represented by its government affairs team in Washington, D.C. and have access to MEMA’s emerging technology expertise.

Motor & Equipment Manufacturers Association

MEMA represents the largest sector of manufacturing jobs and is one of the most powerful, respected, and effective voices for the North American vehicle supplier industry.

MEMA's Government Affairs team advocates for policies that foster strong economic growth for the automotive supplier industry. It represents the automotive supplier voice in Washington, D.C. and throughout the states.

Automotive Aftermarket Suppliers Association

AASA represents automotive aftermarket suppliers that manufacture, distribute, retail and install vehicle parts, chemicals, equipment and accessories.

Heavy Duty Manufacturers Association

HDMA represents OE and aftermarket parts suppliers that participate in class 4–8 commercial vehicles and/or 50+ hp off-highway vehicles. Members operate in every segment of the heavy duty market — from components, service equipment and tires to chemicals, lighting and accessories.

The Association for Sustainable Manufacturing

The MERA network of manufacturers, suppliers, universities and professional services firms promotes the economic, environmental, and product performance benefits of remanufacturing and similar forms of sustainable manufacturing. MERA is also the home of Manufactured Again Certification.

Original Equipment Suppliers Association

OESA champions the business interests of original equipment (OE) suppliers that design, engineer and manufacture components and technology for passenger cars and light-duty trucks; and the affiliate companies that support them.