Specialty Equipment Market Association (SEMA)
- Represents the automotive specialty and performance parts industry. Information for consumers includes federal and state legislation, car clubs, events calendar and product search.
- http://www.sema.org/

Imported Tyre Manufacturers' Association
- An information, help, and promotion forum for overseas tyre manufacturers and brands present in the UK and EEC.
- http://www.itma-europe.com

Automotive Aftermarket Industry Association (AAIA)
- Represents suppliers, distributors, retailers, program groups, manufacturers' representatives, trade publications, educators and vendors in all segments of the automotive aftermarket industry.
- http://www.aftermarket.org

Yang Hua International Trade Co. Ltd.
- International trading company dealing with automobile accessories and spare parts.
- http://www.yang-hua.com/