Interconnected Locks
- Adams Rite Manufacturing Co.
- Almet Inc.
- Arrow
Architectural Hardware
- Baldwin Hardware Corp. Sub. of Masco Corp.
- Corbin Russwin Architectural Hardware
- HARLOC, Inc.
- Ingersoll-Rand Door Hardware
- Kaba High Security Locks Sub. of Kaba-Bauer Holdings
- Kwikset Corp. A Black & Decker Co.
- Norlok Hardware Ltd. Div. Wieser/Masco Building
- PDQ Industries Inc.
- ROTO Hardware Systems Roto Frank of America Inc.
- Schlage
Lock Co. & Schlage
Lock Co.
- Trans-Atlantic Co.
- W and F Manufacturing Inc.
- Weiser Lock
- Weslock Corp.
- Winfield Architectural Lock
- Yale-Corbin Canada Ltd.
- Yale
Security Inc.