Standard Hollow Metal Door Manufacturers

• Ali-Porte Inc.
• Altype Fire Door Corp.
• Amweld Building Products, Inc.
• Apex Machine Works Ltd.
• Artek Door (1985) Ltd.
• Baron Metal Industries Inc.
• Benson Industries
• Bilt-Rite Hardware Co.
• Cadroporte Manufacturing Inc.
• Ceco Door Products - A United Dominion Co.
• Commercial Doors Inc.
• Curries Co. Sub. of ESSEX Industries
• Custom Stainless Fabricators
• Daybar Industries Ltd.
• Deansteel Manufacturing Co.
• DERONDE Products Inc.
• Dunbarton Corporation
• Firedoor Corp. of Florida
• S.W. Fleming Ltd.
• E.H. Friedrich Co.
• G and R de La Fontaine Inc.
• H.M.F. Manufacturers Inc.
• Hollow Metal Doors and Metal Specialties
• Holmes Architectural Doors and Hardware
• The Kewanee Corp.
• Krieger Steel Products Co.
• Macotta Manufacturing - Mississauga
• Mesker Door Inc.
• Namasco Div. Sub. Klockner Namasco Corp.
• National Custom Hollow Metal
• North American Door Corp.
• Pioneer Industries
• Precision Metals Inc.
• Premier Products Inc.
• Republic Builders Products
• Steelcraft Co. Sub. of Mascotech
• Steward Steel Supply Co.
• Stiles Hollow Metal - Sub. of Stiles Custom Metal Inc.