1890 - John M. "Jack" Mack takes a job at the carriage and wagon firm of Fallesen & Berry in Brooklyn, NY.
1893 - Jack Mack and brother Augustus F. Mack purchase the Fallesen & Berry factory.
1894 - William C. Mack, who had operated a wagon-building plant in Scranton, PA, joins his brothers in the business.
Carriage-making is phased-out, and the brothers focus on wagons. At about this time, the Mack brothers begin experimenting with steam and electric motor cars.