 The company was based at Santa Fe Springs, California (1962), Venice, California (1962–1967).Production was moved to the A. O. Smith Company located in Ionia, Michigan (1968-1985), Whittier, California (1986–1998) and Las Vegas, Nevada (since 1998).The Ford Mustang platform was adapted by Shelby American to produce the Shelby GT350, and Shelby GT500.