• LiftMaster

  LiftMaster is the number one brand of professionally installed residential garage door openers, as well as a major manufacturer of commercial door operators, residential and commercial gate operators, telephone entry systems, and related access control products.

• LiftMaster

• A D T Security Services

• ADT Security & Fire (Division of Tyco)

• AES Corp.

• AMERIPHONE

• AMSECO

• ANTAR-COM, INC.

• ASSA

• ASSA ABLOY Door Security Solutions

• ATW-Alarm Technology Worldwide

• Ademco/Alarmnet

• Advanced Handling

• Aiphone Intercom Systems

• Al Muhaidib Hardware

• Alarm Component Distributing

• All Star Signs

• Allison Systems

• American Energy Exchange, Inc.

• American Security Equipment Company

• Ameritech

• Amtel Parking Security Control

• Anamet Electrical, Inc.

• Anchor Fence Company, Inc.

• Andover Controls Corp.

• Antech Corp.

• Applied Realtime Systems

• Arbor Veneers, Inc.

• Arco Electronics

• Armor Garage Door Locks

• Aspen Street Architects

• Aspeon, Inc.

• Automation Displays

• B&B Roadway Security Solutions

• BRK Electronics

• Bahr Vermeer & Haecker, Architects LTD.

• Bay Insulation's Metal Building Insulation division

• Best Access Systems

• Boon Edam, Inc

• Bridgeoport Indian Colony

• Broan-NuTone, LLC.

• Buildex, Inc.

• C P C Equipment Company

• CCS International Ltd.

• CEECO (Communication Equipment & Engineer Co.)

• CORNELL Communications

• CPE/APE

• CSI Control Systems International

• Cabinets At Danada, Inc.

• Canada Kiosk Corporation

• Cansec Systems Ltd.

• Card Lock Company, Inc.

• Cardkey Security Systems

• Casi-Rusco

• Catamount Corporation

• Cease Fire by Dis-Cover

• Checkpoint Systems, Inc.

• Chubb Security Systems

• Clean Team Company

• Cohu

• Compu-Gard

• Compuquest, Inc.

• Concrete Products Co. of Sioux City, Inc.

• Conestoga Log Cabins

• Control Module

• Control Products

• Control Systems International, Inc.

• Controlled Access, Inc.

• Corr: Thomas Corr Associates

• Cotag International

• Crescent Electric Supply Co.

• D/B Cameras-Micro Check

• DADCO Corporation

• DCX Systems

• DSX Access Systems

• Dactek International

• David W Kimble and Associates

• Designed Security, Inc.

• Detection Systems Inc.

• Detex Corporation

• Dexter Research Center

• Diamond Electronics

• Diebold Incorporated

• Digital Techniques, Inc.

• Domokur Robinson Edwards

• DoorKing, Inc.

• Dorlen Products

• Draeger Safety, Inc.

• Dukane Corp.

• Duseung Trading Co.

• Dynalock Corp.

• Dynamation Gas Detectors

• ELK Products

• EMX Industries

• EO Integrated Systems, Inc.

• Edko, Inc.

• Edwards Door Systems Ltd.

• Elcom Industries

• Electrical Products Company

• Electronic Locking Specialties

• Electronic Specialties of Connecticut

• Electronic Systems USA

• Eltec Instruments

• Elvox Communications Div.

• Essex Electronics, Inc.

• Federal Signal Corp/Electrical Products

• Fiber Options

• Fike Corp.

• FiltAire

• Firetrol Protection Systems, Inc.

• Flad & Associates

• Flair Electronics

• FlashFog Security - Arias Tech Ltd

• Fourjay Industries

• Fred Silver & Co.

• Frontier Control Products Corp.

• Fuller Austin Insulation Inc.

• GE Interlogix (Sentrol)

• GTO

• GYYR

• Galaxy Control Systems

• Gamewell Co.

• Gems Sensors Inc.

• Globetron Electronics Corporation

• Golden State Instrument Co.

• Goodman Manufacturing Company

• Grand Wire & Display

• Great Lakes Professional Painting, Inc.

• HARC Mercantile Ltd.

• HID Corp.

• HID Corporation

• Hamilton Products Group

• Hefler Forest Products Limited

• Henkels & McCoy, Inc.

• Herman, Gibans, Fodor, Inc.

• Hester Decorating Company, Inc.

• Hirsch Electronics Corp.

• Home Control, Inc.

• Horrell Group Architects

• Howland Electric and Electronics Wholesale Company

• HySecurity Gate Operators, Inc.

• IDenticard Systems, Inc.

• ITI Wireless

• Identicard Systems

• Idesco Corp.

• Infinetics

• InfoGraphic Systems Corporation

• Innovative Control Systems

• Intec Video Systems

• Intelligent Controls

• Interactive Technologies

• Intercard

• Intercon Security Ltd.

• International Electronics

• J E N C E N

• J.A.M. Plastics

• Jan Hird Pokorny Associates, Inc.

• Jantek Electronics

• Jomy Safety Products

• KIC Products

• Kaba Ilco Corp.

• Kalatel

• Keltron Corp.

• Kerr Companies

• Keye Technologies

• Keystone Wire & Cable

• Kitchen Center, Inc.

• Knight Electric

• Koehler-Bright Star, Inc. (LSI)

• Larco Inc.

• Lares Technology

• LaserCard Systems Corp.

• Laurence: C.R. Laurence Co.

• Lee Dan Communications

• Lee Reger Builds, Inc.

• Lesko Associates, Inc.

• Light Engineered Displays

• Linear Corp.

• Linx Data Terminals

• Locknetics Security Engrg.

• Louroe Electronics

• Lumenite Control Technology

• Lundstrom & Associates

• MPO Videotronics

• Mackenzie Laboratories

• Maddox NBD, Inc.

• Makita USA

• Management Science Associates

• Mansfield Plumbing Products, LLC

• Marvel Photo Inc.

• Matrix Systems

• McFARLIN HUITT PANVINI, INC.

• McGard Inc., USA

• Mechanical Systems Services, Inc.

• Medeco Security Locks, Inc.

• Metget Inc.

• Mier Products

• Mike Green Fire Equipment Co.

• Minatronics Corporation

• Moeckel Carbonell Associates Inc.

• Monaco Enterprises

• Morris Industries, Inc.

• Morse Watchmans

• My Plumber

• NAVCO

• NHK International Corp.

• NJR Corporation

• Napco Security Systems

• Nel-Tech

• Northern Computers

• Nu-Vinyl

• OPTEX USA

• OSI Security Devices, Inc.

• Old Mill Mantels LLC

• Omega Engrg.

• Ontario Parking Systems Ltd.

• Operator Specialty Company, Inc.

• PC Guardian

• PIDEAC

• Pacific Bulletproof Co.

• Page Southerland Page

• Pearpoint, Inc.

• Pelco

• Pennsy Supply Inc.

• Pentax Corp.

• Perimeter Products

• PermaTile Roofing

• Philips Communication & Secutiry Systems

• Philips Communication, Security & Imaging, Inc.

• Philips Security Products Div.

• Pilgrim Fence Company

• Pittsburgh Stage, Inc.

• Protection Technologies

• Pulnix America

• Quantum Group

• Questar Corporation

• R.F. Knox Company

• Rauland-Borg Corp.

• Recognition Systems, Inc.

• Rees Scientific

• Regin HVAC Products, Inc.

• Reliable Auto Sprinkler Co.

• Reliable Fire Equipment Co.

• Reliance Controls Corporation

• Reynolds, Smith and Hills, Inc.

• Richardson Electronics Ltd.

• Rigel Systems

• Rochester Instrument Systems (Ametek)

• Rofu International Corp.

• SECO-LARM USA

• SSI Photo I.D.

• Safemasters Co.

• Safety Technology International, Inc.

• Salco Industries

• Schlage Lock Co.

• Seaboard Electronics

• Secura Key

• Securitron Magnalock Corp.

• Security Defense Systems Corporation

• Security Gate Co.

• Select Engineered Systems

• Sensormatic Electronics

• Senstar-Stellar Corp.

• Sentinel Diversified Industries

• Sentrol Controls Group

• Sentry Technology Corporation

• Signal-U Mfg. Co.

• Silent Knight Security Systems

• Simplex/Grinnell

• Sound Elevator Co./Entry Plus

• Southwest Microwave

• Spartan Lumber Products

• Sparton Technology Corporation

• Spectronics Corp.

• Synergistics Incorporated

• System Sensor

• T*Rex Architex

• T-n-D of Pittsburgh Inc.

• TTSS Interactive Products

• Talk-A-Phone Co.

• TekTone Sound & Signal Mfg.

• TeleSite USA

• Telephonics Corp.

• Telkee Management Systems

• Tesa Entry Systems

• The Plastics Group of America

• Trigon Electronics

• Tristate & Electric & Electronics Supply Co.

• Tyco Fire Protection Systems

• Tyco International (Wells Fargo Alarm Services)

• U-Change Lock Industries

• USA CCTV Mfg.

• USI Corporation

• USKH, Inc.

• Uhrig's Professional Painting & Paperhanging

• Van Lock Co.

• Vandal-Proof Products

• Vicon Industries

• Videx

• Vikonics

• Vision Research Corp.

• Visonic

• Von Duprin Division

• W. L. Jenkins Company, Inc.

• W.W. Nash Construction

• Waterworks International

• Western Design

• Wheelock, Inc.

• Wilbur Smith Associaties

• Willo Products Co.

• Xedar Corp.

• Xico

• Yankee Hill Brick & Tile

• York Lintel & Cast Stone, Inc.

• Z-Wall