Frontenac Motor Corporation was a joint venture of Louis Chevrolet, Indy 500 winner Joseph Boyer Jr., Indianapolis car dealer William Small, and Zenith Carburetor president Victor Heftler. Per articles of Incorporation on file in the Michigan State Archives, it was founded in Detroit in December 1915. The company focused on building high-performance automobiles that would be used in major AAA events, including the Indianapolis 500.