| Automatic |
| Dorma Architectural Hardware | http://www.dorma-usa.com |
| Automatic |
| Dor-O-Matic Exit Devices | http://www.doromatic.com |
| Automatic |
| Essex Industries, Inc. | http://www.essexopenings.com |
| Automatic |
| PHL, Inc. | http://www.phlinc.com |
| Electromagnetic Locks |
| Delt-Rex Door Controls LLC | http://www.delt-rex.com |
| Electromagnetic Locks |
| Doorguard Systems, Inc. | http://www.doorguardsystems.com |
| Electromagnetic Locks |
| Dorma Architectural Hardware | http://www.dorma-usa.com |
| Electromagnetic Locks |
| DynaLock Corp. | http://www.dynalock.com |
| Electromagnetic Locks |
| Essex Industries, Inc. | http://www.essexopenings.com |
| Electromagnetic Locks |
| Folger Adam Electric Door Controls | http://www.folgeradamedc.com |
| Electromagnetic Locks |
| Graham / Essex Industries | http://www.grahamdoors.com |
| Electromagnetic Locks |
| IR Security & Safety | http://www.irsecurityandsafety.com |
| Electromagnetic Locks |
| Jackson Corp. | http://www.jacksonexit.com |
| Electromagnetic Locks |
| Jackson Corp. | http://www.jacksonexit.com |
| Electromagnetic Locks |
| Locknetics | http://www.locknetics.com |
| Electromagnetic Locks |
| Napco Security Group | http://www.napcosecurity.com |
| Electromagnetic Locks |
| ROFU International Corp. | http://www.rofu.com |
| Electromagnetic Locks |
| Rutherford Controls Int'l Corp. | http://www.rutherfordcontrols.com |
| Electromagnetic Locks |
| Securitech Group, Inc. | http://www.securitech.com |
| Electromagnetic Locks |
| Securitron Magnalock Corp. | http://www.securitron.com |
| Electromagnetic Locks |
| Tork Inc. | http://www.tork.com |
| Electromagnetic Locks |
| YSG Door Security Consultants | http://www.ysgsecurity.com |
| Exit Devices | High Security | Access Denied, Inc. | http://www.accessdeniedinc.us |
| Exit Devices | High Security | Corbin Russwin Architectural Hardware | http://www.corbinrusswin.com |
| Exit Devices | High Security | Curries Co. | http://www.curries.com |
| Exit Devices | High Security | Essex Industries, Inc. | http://www.essexopenings.com |
| Exit Devices | High Security | Graham / Essex Industries | http://www.grahamdoors.com |
| Exit Devices | High Security | Housing Devices, Inc. | http://www.housingdevices.com |
| Exit Devices | High Security | IR Security & Safety | http://www.irsecurityandsafety.com |
| Exit Devices | High Security | Jackson Corp. | http://www.jacksonexit.com |
| Exit Devices | High Security | Locknetics | http://www.locknetics.com |
| Exit Devices | High Security | Monarch | http://www.monarchhardware.com |
| Exit Devices | High Security | Napco Security Group | http://www.napcosecurity.com |
| Exit Devices | High Security | ROFU International Corp. | http://www.rofu.com |
| Exit Devices | High Security | Rutherford Controls Int'l Corp. | http://www.rutherfordcontrols.com |
| Exit Devices | High Security | Sargent & Greenleaf, Inc. | http://www.sglocks.com |
| Exit Devices | High Security | Sargent Manufacturing/Essex Ind. | http://www.sargentlock.com |
| Exit Devices | High Security | Securitech Group, Inc. | http://www.securitech.com |
| Exit Devices | High Security | Securitron Magnalock Corp. | http://www.securitron.com |
| Exit Devices | High Security | Yale Commercial Locks and Hardware | http://www.yalecommercial.com |
| Exit Devices | High Security | YSG Door Security Consultants | http://www.ysgsecurity.com |
| Time-Delay |
| Doorguard Systems, Inc. | http://www.doorguardsystems.com |
| Time-Delay |
| J. L. Industries | http://www.jlindustries.com |
| Time-Delay |
| Overhead Door Corp. | http://www.overheaddoor.com |
| Time-Delay |
| PHL, Inc. | http://www.phlinc.com |
| Time-Delay |
| ROFU International Corp. | http://www.rofu.com |
| Time-Delay |
| Sargent & Greenleaf, Inc. | http://www.sglocks.com |