OESA, a division of the Motor & Equipment Manufacturers Association

The MEMA network comprises four divisions – AASA, HDMA, MERA, and OESA. The Original Equipment Suppliers Association serves over 430-member companies comprised of automotive original equipment (OE) suppliers and affiliated support companies. Automotive original equipment suppliers design, engineer and manufacture a wide variety of sub-systems and components used in the manufacture of passenger cars and light trucks. OE suppliers provide approximately two-thirds of the value of a new vehicle. For additional information, please visit our websites:  www.oesa.org and/or www.mema.org.