Alphabetical Index of Manufacturers
- A-J Manufacturing Co. Inc.
- Accurate Lock and Hardware Co.
- Adams Rite Manufacturing Co.
- Air Louvers Inc.
- Alarm Lock Systems Inc.
- Algoma Hardwoods Inc.
- American Device Manufacturing Co.
- American Lock Co.
- Amweld Building Products, Inc.
- Anemostat Products
- Architectural Builders Hardware Manufacturing Inc.
- Architectural
Control Systems Inc.
- Arrow Architectural Hardware
- Artek Door (1985) Ltd.
- ASSA High Security Locks
- Auth-Florence Manufacturing Co.
- Baldwin Hardware Corp.
- Benchmark Commercial Division General Products
Co.
- Best Lock Corp.
- Bilco Company
- Bommer
Industries, Inc.
- Buell Door Corp.
- Burns Manufacturing Inc.
- Cal-Royal Products
- Ceco Door Products
- Chappell Door Co.
- Chem-Pruf Door Co.
- Corbin Russwin Architectural Hardware
- Curries Co.
- Daybar Industries Ltd.
- Deansteel Manufacturing Co.
- Deronde Products Inc.
- Detex Corp.
- Don-Jo Manufacturing Inc.
- Door Control Inc.
- Door Controls International
- Dor-O-Matic
- Dorma Door Controls
- Dunbarton Corporation
- Eagle Plywood and Door Manufacturers Inc.
- Glynn-Johnson Corp.
- Graham Manufacturing Corp.
- Hager Hinge Co.
- Haley Brothers Inc.
- Hanchett Entry Systems (h.e.s.)
- HEWI Inc.
- Hiawatha Inc.
- HPC Inc.
- Ideal Wood Products
- International Door Closers Inc.
- H.B.Ives
- J.L.Industries
- Jackson Corp.
- Kaba High Security Locks
- Karona, Inc.
- Karpen Steel Custom Doors & Frames
- The Kewanee Corp.
- Krieger Steel Products Co.
- Kwikset Corp.
- L.E. Johnson Products, Inc.
- LCN Closers
- Lawrence Brothers Inc.
- Leslie-Locke Inc.
- Locknetics Security Engineering
- Lori Lock Co.
- Lund Equipment Co.Inc.
- M.A.G.Engineering and Manufacturing Co.Inc.
- Macotta Manufacturing
- The Maiman Co.
- Markar Products Inc.
- MARKS USA
- Master Lock
- A.J.May Inc.
- McKinney Products Co
- Medeco Security Locks Inc.
- Mesker Door Inc.
- Mohawk Flush Doors Inc.
- Mohawk Sign Systems
- NT Falcon Lock
- NT Monarch Hardware and
Manufacturing Co.
- NT Quality Hardware
Manufacturing Co., Inc.
- Mont-Hard (Canada) Inc.
- National Guard Products Inc.
- North American Door Corp.
- Norton Door Controls
- Ohio Valley Door Corp.
- Omnia Industries Inc.
- PDQ Industries Inc.
- PEMKO
- The Philipp Manufacturing Co.
- Pioneer Industries
- Positive Lock Inc.
- Precision Hardware Inc.
- NT Quality Hardware
- Rediframe/Slimfold Products
- Reed Exit devices
- Reese(TM)
Enterprises, Inc.
- Republic Builders
Products
- Rixson-Firemark
Sub., Yale Security, Inc.
- Rockwood Manufacturing Co.
- Rofu International Corp.
- Rutherford Controls Ltd.
- Sargent and Greenleaf Inc.
- Sargent Manufacturing Co.
- Schlage Lock Co. & Schlage Lock Co.
- Sealeze Corp.
- Securitron Magnalock Corp.
- Security Door Controls
- Select Products Ltd.
- Sentronic International
- Simplex Access Controls
- Soss Invisible Hinge
- Southwood Door Co.
- Stanley Hardware
- Steelcraft Manufacturing Co.
- TRIMCO/BBW
- Trine Products Corp.
- Ultra Hardware Products Inc.
- VT Industries, Inc.
- Von Duprin Inc.
- Weyerhaeuser Co.
- Woodfold-Marco Manufacturing Inc.
- Wooster Products,
Inc.
- Yale Security Inc.
- Zero
International, Inc.