Overhead Door Co. of Knoxville

Overhead Door Co of Chattanooga, Overhead Door Co of Knoxville and Overhead Door Co of Johnson City - Divisions of Wm. S. Trimble Co., Inc. serving east Tennessee and surrounding areas from its headquarters in Knoxville, TN.  Founded in 1936, Wm S Trimble Company provides hardware, service and technical expertise for commercial and residential doors, windows, hardware, dock equipment, and other building specialty products.