A love for cars, trucks and SUVs is the motivating force behind the Specialty Equipment Market Association (SEMA). This trade association consists of a diverse group of manufacturers, distributors, retailers, publishing companies, auto restorers, street rod builders, restylers, car clubs, race teams and more.SEMA members make, buy, sell and use all kinds of specialty parts and accessories to make vehicles more attractive, more unique, more convenient, faster, safer, more fun and even like-new again.