• Fire Equipment Company Inc.

• ACTRON Inc.

• ADT Security & Fire (Division of Tyco)

• AMERIPHONE

• Aaliant Hersey Measurement Co.

• Advanced Handling

• Air Monitor Corp.

• Alarm Component Distributing

• Allison Systems

• Alpha Communications

• Arbor Veneers, Inc.

• Arco Electronics

• BRK Electronics

• Baumbach Enterprises Ltd.

• Bender

• Bennett Supply Company

• CCI Controls

• CORNELL Communications

• Checkpoint Systems, Inc.

• Cooper Wiring Devices

• Corr: Thomas Corr Associates

• Crescent Electric Supply Co.

• Crimestopper Security Products

• Crouse-Hinds Div.

• DCX Systems

• Delphian Corp.

• Designed Security, Inc.

• Detex Corporation

• Dorlen Products

• Douglas Steel Fabricating Corporation

• Dukane Corp.

• Dynalock Corp.

• ECCO Electronic Controls Company

• ELK Products

• EMX Industries

• Environment/One Corp.

• Faraday

• Federal Signal Corp/Electrical Products

• Fire Combat

• Fire Control Instruments

• Fire-Lite Alarms

• Firetrol Protection Systems, Inc.

• Flair Electronics

• FlashFog Security - Arias Tech Ltd

• Fred Silver & Co.

• Fuller Austin Insulation Inc.

• Functional Devices, Inc.

• GYYR

• Gamewell Co.

• HARC Mercantile Ltd.

• Harrington Signal

• Hirsch Electronics Corp.

• Hochiki America Corporation

• Hydro-Temp

• IDenticard Systems, Inc.

• IMC Instruments

• Infinetics

• InfoGraphic Systems Corporation

• Ino-Tek

• Jeron Electronic Systems

• Johnson Controls, Inc.

• Kelly & Associates

• Keltron Corp.

• Landis & Staefa

• Larco Inc.

• Lares Technology

• Lathem time Corp.

• Light Engineered Displays

• Linear Corp.

• Lumenite Control Technology

• Maddox NBD, Inc.

• Mechanical Systems Services, Inc.

• Medeco Security Locks, Inc.

• Minatronics Corporation

• My Plumber

• NAVCO

• Napco Security Systems

• National Time and Signal Corporation

• Newtron Products co.

• Norman N. Axelrod Associates

• Northern Computers

• Notifier

• Novitas

• OPTEX USA

• Orevox (USA) Corp. (Dynavox Electronics, Inc. )

• PI Vision, Inc.

• Pelco

• Perimeter Products

• PermaTile Roofing

• Pioneer Medical Systems

• Pittsburgh Stage, Inc.

• Potter Electric Signal Company

• Protection Technologies

• Protectowire Co.

• Quantum Group

• RBE Electronics

• RFL Electronics

• Rauland-Borg Corp.

• Reliable Fire Equipment Co.

• Reynolds, Smith and Hills, Inc.

• SDC Security Door Controls

• SONIN, Inc.

• Safety Technology International, Inc.

• Salco Industries

• Schulmerich Bells

• Sensidyne

• Senstar-Stellar Corp.

• Simplex International Time Equipment Company Ltd.

• Simplex/Grinnell

• Smoke Guard, Inc.

• Sound Elevator Co./Entry Plus

• Spectronics Corp.

• System Sensor

• TIF Instruments

• Telephonics Corp.

• Thermo Mizer Environmental Corp.

• Tork

• Trine Products

• Tristate & Electric & Electronics Supply Co.

• Tyco International (Wells Fargo Alarm Services)

• USA CCTV Mfg.

• USKH, Inc.

• Vermont Granite Works LLC

• Village Fence & Steel Company

• Vision Research Corp.

• Visonic

• Von Duprin Division

• W. L. Jenkins Company, Inc.

• W.E. Brosius, Company

• Western Design

• Western-Cullen-Hayes

• Wheelock, Inc.

• Zellweger Analytics