SEMA, Where it all started
Specialty Equipment Market Association (SEMA) of the automobile aftermarket was formed in 1963 by Roy Ritcher, Els Lohn, Willie Garner, Bob Hedman, Robert E. Wyman,…
Specialty Equipment Market Association (SEMA) of the automobile aftermarket was formed in 1963 by Roy Ritcher, Els Lohn, Willie Garner, Bob Hedman, Robert E. Wyman,…