| Message Recorders |
| Elk Products, Inc. | http://www.elkproducts.com |
| Vandalism Prevention |
| Access Denied, Inc. | http://www.accessdeniedinc.us |
| Vandalism Prevention |
| Grice Engineering, Inc. | http://www.soffisteel.com |
| Vandalism Prevention |
| Hydra-Shield Mfg., Inc. | http://www.hydra-shield.com |
| Vandalism Prevention |
| Safety Technology International, Inc. | http://www.sti-usa.com |
| Systems |
| Access Denied, Inc. | http://www.accessdeniedinc.us |
| Systems |
| ADI | http://www.adiWeb.com |
| Systems |
| Anixter International, Inc. | http://www.anixter.com |
| Systems |
| Bogen Communications, Inc. | http://www.bogen.com |
| Systems |
| Cablofil | http://www.cablofil.com |
| Systems |
| CITI Corona Integrated Technologies Inc. | http://www.smokemachines.com |
| Systems |
| Cornell Iron Works, Inc. | http://www.cornelliron.com |
| Systems |
| Delt-Rex Door Controls LLC | http://www.delt-rex.com |
| Systems |
| Diebold, Inc. | http://www.diebold.com |
| Systems |
| Digitize, Inc, | http://www.digitize-inc.com |
| Systems |
| Dor-O-Matic Exit Devices | http://www.doromatic.com |
| Systems |
| DynaLock Corp. | http://www.dynalock.com |
| Systems |
| Elk Products, Inc. | http://www.elkproducts.com |
| Systems |
| Falcon Lock Co. | http://www.falconlock.com |
| Systems |
| FieldServer Technologies | http://www.fieldserver.com |
| Systems |
| Gage-Babcock & Associates Ltd. | http://www.gbacan.com |
| Systems |
| Galaxy Control Systems | http://www.galaxysys.com |
| Systems |
| GE Security | http://www.gesecurity.com |
| Systems |
| Glynn-Johnson | http://www.glynn-johnson.com |
| Systems |
| Hochiki America Corp. | http://www.hochiki.com |
| Systems |
| Interlogix Security & Life Safety Group | http://www.gesecurity.com |
| Systems |
| IR Security & Safety | http://www.irsecurityandsafety.com |
| Systems |
| Ives | http://www.iveshardware.com |
| Systems |
| Jeromi Industries, Inc. | http://www.jeromi.com |
| Systems |
| Jilin Province Hengtai Fireproof Cableway Mfg. | http://www.ht98.com |
| Systems |
| LCN Closers | http://www.lcnclosers.com |
| Systems |
| Locknetics | http://www.locknetics.com |
| Systems |
| MitecNet | http://www.mitecnet.com |
| Systems |
| Monaco Enterprises, Inc. | http://www.monaco.com |
| Systems |
| Monarch | http://www.monarchhardware.com |
| Systems |
| Protec Fire Detection | http://www.protec.co.uk |
| Systems |
| Recognition Systems | http://www.handreader.com |
| Systems |
| Rutherford Controls Intl Corp. | http://www.rutherfordcontrols.com |
| Systems |
| Sargent & Greenleaf, Inc. | http://www.sglocks.com |
| Systems |
| Schlage Lock Co. | http://www.schlage.com |
| Systems |
| SimplexGrinnell | http://www.simplexgrinnell.com |
| Systems |
| Thermo Scientific | http://www.thermofisher.com |
| Systems |
| Vandal-Proof Products, Inc. | http://www.vandalproof.com |
| Systems |
| VUANCE, Inc. | http://www.vuance.com |
| Systems |
| Xtralis Inc. | http://www.xtralis.com |