Warren Door manufactures and distributes industrial and commercial doors, with a focus on custom-built rolling door systems. Its parent company, Traichal Construction Company, was founded in 1937; Warren Door began concentrating on the industrial market in 1974 and operates from Niles, Ohio. The company says its doors are precision-crafted and assembled in the United States.
SDI-100 Recommended Specifications
Compliance program
Underwriters Laboratories (UL) fabrication shop
Compliance program
Fleming Steel Door CompanyIn its third generation of family ownership, Fleming Steel Door Company has been a New Castle manufacturer since 1921, known for solving unusually demanding door-design problems. Its engineers and fabricators create custom systems for facilities where dependable operation matters, including aviation and military projects, and the company also supports those systems after installation.332321NEW CASTLE, PA
Clopay CorporationClopay Corporation manufactures residential and commercial garage doors and industrial rolling steel doors. Founded in 1859 as a Cincinnati paper wholesaler, it entered the garage-door business in 1964 and is headquartered in Mason, Ohio. The company reports operating four U.S. manufacturing facilities and a network of more than 55 distribution centers.MOUNTAIN TOP, PA
Chase DoorsFounded by Chase Blum in 1932, Chase Doors makes specialty door systems and traces its beginnings to insulated walk-in coolers and specialty refrigeration equipment. It is known for double-acting impact traffic doors and has since expanded into made-to-order door systems. The company reports more than 300 employees and five vertically integrated manufacturing facilities.WEST CHESTER, OH
Whiting Door Manufacturing CorpAkron, New York’s Whiting Door Manufacturing Corp. has made transportation doors since 1953, when it developed the first practical overhead roll-up door for trucks and trailers. Still led by the Whiting family, the company manufactures roll-up and swing doors as well as custom laminated panels, with those panels now used in transportation equipment ranging from rail vehicles to ships and military vehicles. Its custom-panel operation includes four laminating lines, a machine shop, and ISO 9001:2015 certification.AKRON, NY