List of Manufacturers
- Adams Rite
- Alarm Lock
- American Lock
- Arrow Lock
- Bommer
- CCL
- Compx Chicago/Fort/National
- Corbin Russwin
- DeWitt Tool
- Detex
- Don Jo
- Dorma
- ESP /HPC/ Hudson Lock
- Falcon
- Folger Adam / HES / Securitron
- Hudson Lock
- Ilco
- Ives /Glynn-Johnson
- Jet
- KABA (Simplex )
- Keedex
- Keysure
- LATCH-GARD
- LCN
- Lab
- Lee Electric
- Lucky Line
- Major
- Master Lock
- Medeco
- Midwest Fastener
- Morse
- National Guard Products
- Norton
- Olympus
- Pacoa
- Pemko
- Progressive Hardware
- Rixson
- Rockwood
- Sargent
- Schlage / Allegion
- Segal
- Simplex Lock
- Stanley
- Timberline
- Trans Atlantic / Imperial
- Von Duprin
- WD 40
- Yale
- Young Bros