Exit Devices & Fire Exit Hardware
- Adams Rite Manufacturing Co.
- American
Device Manufacturing Co.
- Armstrong Security Lock Corp. Sub. of Securitech
- Arrow
Architectural Hardware
- Builders Brass Works Div. (TRIMCO)
- Cal-Royal Products
- Corbin-Russwin Architectural Hardware
- Door Control Inc.
- Door Controls International
- Dor-O-Matic
- Dorma Door Controls Ltd. The Dorma Group
- Four Point Security Service
- Hanchett Entry Systems (h.e.s.)
- International Door Closers Inc.
- Jackson Corp.
- Kawneer Co. Inc.
- Leado Enterprise Co., Ltd.
- NT
Monarch Hardware and Manufacturing Co.
- Openings
- S. Parker Hardware Manufacturing Corp.
- Precision Hardware Inc.
- Reed Exit Devices Div. of Yale Security
- Sargent Manufacturing Co.
- Sargent Canada Ltd. Sub. of ESSEX Industries Inc.
- Securitech Group Inc.
- Sentrylok Inc.
- Taymor Industries
- Trans-Atlantic Co.
- Ultra Hardware Products Inc.
- Von Duprin Inc.
- Yale-Corbin Canada Ltd.
- Yale Security