Chadwick USA 1905 1917 Fairmont Eng. Co. Philadelphia Pa.Chalfant USA 1906 1912 Chalfant M. C. Co. Lenover Pa.Chalmers-Detroit USA 1908 1910 Chalmers (Detroit) M. Co. Detroit Mi.Chambers GB 1905 19161921 1928 Chambers Motors Ltd., BelfastChamonix BRA 1993 now Chamonix Ind. e Com.Ltda., Sao PauloChampion USA 1908 1910 Famous Mfg. Co. Chicago IllinoisChampion USA 1917 1923 Direct Drive Mo. Co., Ponstown Pa.Chandler USA 1913 1928 Chandler M. C. Co. Cleveland Ohio