Automatic Operators
- 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
- Lanson Industries (Gyro Tech)
- Hy-Security Gate Operators
- Ingersoll-Rand Door Hardware
- Kant-Slam Door check Co.
- Kwikset Corp. A Black & Decker Co.
- LCN
Closers
- Norton
Door Controls Div. of Yale Security Inc.
- S. Parker Hardware Manufacturing Corp.
- Rixson-Firemark
Sub., Yale Security, Inc.
- Windsor Door
- United Dominion Industries
- Yale-Corbin Canada Ltd.
- Yale
Security Inc.