The mobilization of the American automotive industry to support the Allied war effort was a phenomenon. Although not without its trip-ups and hiccups, it was nonetheless one of the outstanding examples of corporate cooperation with government in US history.

Only General Motors, in their Eastern Aircraft Division, Goodyear, and Ford built aircraft, but many auto manufacturers built subassemblies, components, engines or engine parts for the effort.

Companies
Briggs Manufacturing Company
Chrysler Corporation
Continental Motors Corporation
Ford Motor Company
General Motors Corporation
Goodyear Tire and Rubber Company
Graham-Paige Motors Corporation
Hudson Motor Car Company
Murray Corporation of America
Nash-Kelvinator Corporation
Packard Motor Company
Studebaker Corporation