Concealed Overhead & Floor Closers
- Builders Brass Works Div. (TRIMCO)
- CKA Group Inc.
- Corbin Russwin Architectural Hardware
- Door Control Inc.
- Dor-O-Matic
- Dorma Door Controls Ltd. The Dorma Group
- Dorma Door Controls The Dorma Group
- EFCO Manufacturing Pty. Ltd. Sub. of Orden Industries
- Ellison Bronze Div. of Dowcraft Corp.
- Hafele America Co.
- Ingersoll-Rand Door Hardware
- International Door Closers Inc.
- Jackson Corp.
- Kawneer Co., Inc.
- Leado Enterprise Co., Ltd.
- LCN
Closers
- Norton
Door Controls Div. of Yale Security Inc.
- S. Parker Hardware Manufacturing Corp.
- Rixson-Firemark
Sub., Yale Security, Inc.
- Sargent Canada Ltd. Sub. of ESSEX Industries Inc.
- Sargent Manufacturing Co. Sub. of ESSEX Industries Inc.
- The Sentinel Group
- V.T. Industries Inc.
- Yale-Corbin Canada Ltd.
- Yale
Security Inc.