- 2 Loop Films
- 2 Loop Films
- 3 S Inc
- AAA Security
- Aames Security Corp
- Aames Security Corp
- ABC Security Systems
- ADT Security Svc
- Advantech Inc
- Affiliated Systems
- Air Products & Controls Inc
- Air Products & Controls Inc
- Alarm Specialists Inc
- Alison Control Inc
- All Service Controls Corp
- Alliance Fire Protection Inc
- Alliance Fire Protection Inc
- Argus Fire Control
- Ashley Residential Place
- Ashley Residential Place
- Aspen Alarm & Security
- Bass United Fire & Security
- Beacon Electric Inc
- Beckwith Electronic Engrng Co
- Bell Fire Extinguisher Co Inc
- Big Tex Fire Protection Svc
- Big Tex Fire Protection Svc
- Bojak Co
- Brassfield Communications
- Briggs Enterprises Inc
- Burrell Pharmacy
- Central Security Systems
- CKJ Bargain Inc
- CKJ Bargain Inc
- Consolidated Fire Protection
- Constable Security Inc
- Cross-Fire & Security Co Inc
- Davis Group
- Davis Group
- Detector Electronics Corp
- Detector Electronics Corp
- Detector Electronics Corp
- Diversified Fire Products
- DND Security Svc
- DND Security Svc
- Dynamic Fire Inc
- East Alabama Fire Protection
- Edwards Systems Technology
- Enterprise Electric Co
- Fail-Safe Security
- Fire Protection Svc
- Fire Protection Svc
- Firetech
- First Fire Systems Inc
- GEM Electric Corp
- General Medical Supply Inc
- Gentex Corp
- Harrington Signal
- High Standard Security & Comms
- Honeywell
- Isas Inc
- J A Bradley & Sons Inc
- J A Bradley & Sons Inc
- Johnson Controls Inc
- Life Safety Systems
- Multiplex Electric Svc
- NECO Alarm Svc
- Newell Communications Inc
- Nobi Corp Security Systems
- Ocean Park Telecommunication
- Potter Electric Signal Co
- Protection Professionals
- Protectowire Co
- Red Phoenix Inc
- Siemens Fire Safety
- Signal Systems Inc
- Simplex Grinnell
- Simplex Grinnell
- Simplex Grinnell
- Simplex Grinnell
- Simplex Grinnell
- Simplex Grinnell
- Slembrouck-Many CORP Smc
- Sound Security & Electronics
- Strike Pro Tech
- Systems Sales Corp
- Taylor Security Systems
- Telstar Communications
- Thermotech Inc
- Vital Services Inc
- Western Electronic Distr
- Wiring Plus
- World Electronics Inc