Some Hollands are confused with Yosts, since Yost manufactured some vises in Holland, MI.
Company founder G..M. Yost spent 6 years running the Emmert Vise Co prior to starting the GM Yost Co. In 1916 he left (sold?) the company to go work for the Columbian Hardware Co designing vises.
1907 G.M. Yost Co is founded in Mechanicsburg, PA with IE Yost as President, GM Yost as VP and General Manager, and TJ Kennedy as Secretary and Treasurer.
1907 Purchased vise factory of Peter A. Frasse Co and moved it to Mechanicsburg, PA
1909 Purchased the plant and equipment of the Meadville Vise Co.
1910 Purchased the Williamson Vise Co. and moved the plant to Meadville.