W. P. T. W. S. Aston W & J Walmotor Walter Wolf Racing Warsteiner Brewery Wayne Westwood Gauge/Wales Wheatcroft Wheeler-Foutch Willi Heeks Willi Kauhsen Willi Krakau William Forbes Williams Williams Motul Wolcott Wolcott Fuel Injection Wolcott Memorial Racing Wolfe Wolfgang Seidel World Wide Racing Wyandotte Tool Wynn’s Friction Proofing
