The Willoughby Company was one of America's larger custom body builders and they specialized in chauffer-driven town cars, landaulets, and limousines. Willoughby's quality and workmanship was first, although their styling tended to the conservative. Willoughby built their custom bodies in Utica, New York from 1903 through 1938.

Q: What manufacturers did Willoughby create coachwork for? A: Willoughby created coachwork for (at least) the following manufacturers: Alvis, Cadillac, Duesenberg, Lincoln, Marmon, Pierce Arrow, Rolls-Royce, Wills Sainte Claire

Q: What body styles did Willoughby create? A: Willoughby created (at least) the following body styles: Berline, Berline Landaulet, Convertible Sedan, Coupe, Landaulet, Limousine, Pan. Brougham, Panel Brougham, Salamanca Town Car, Sport Sedan, Sport Sedan Coupe, Tourer, Town Cabriolet, Town Car, Town Sedan, Towncar, Willoughby Coupe, Willoughby Limousine, Willoughby Panel Brougham, Willoughby Panel Broughlan, Willoughby Sport Sedan