M
- M & S Systems
- M&S Systems
- MACALLY
- Mackie
- MACLEAN SENIOR INDUSTRIES LLC
- MACPAW ESD
- Macphun
- Macurco (Aerionics)
- MAD CATZ
- Maestro
- MAGELLAN
- Magenta Research
- Magix
- Magliner
- Magma
- Magnasphere
- Magnepull
- Magnetic Autocontrols-Tuxen Is
- Mag-Tags
- MAINPINE
- MAJOR
- MAKITA
- MAN & MACHINE
- Manfrotto
- MANHATTAN/INTELLINET
- Manios Digital & Film
- MARINER ESD
- Mark Levinson
- MARKAR
- Markertek
- MARS ANTENNAS & RF SYSTEMS LTD
- Marshal
- Marshall Electronics
- Marshall-Browning Intl Corp
- Martin Audio Ltd.
- MarumiMarumi Optical Co. LTD.
- Marvel
- MAS Audio
- MASCON
- Master Appliance Corp.
- MASTER LOCK
- MASTER LOCK BIKE
- Master Video Inc.
- MASTERVISION
- MATCO INC.
- MATIAS
- Matrix Switch Corporation
- Matrox
- Matthews Studio Equipment
- M-Audio
- Max Power Cell
- MAXCELL GROUP
- Maxell
- MAXLITE
- MAXTA
- Maxtron Products
- Maxwell Alarm Screen
- Maxwell Alarm Screen Mfg. Co.
- Mayville Products Corporation
- MCDERMID PAPER CONVERTERS
- McGraw-Hill Professional
- MCKINNEY
- mcklein
- McNETT
- MEDECO
- MEDIAFOUR ESD
- MEDIASONIC
- MEDIATECH
- Megapro
- Memorex
- Mercury Security
- MERIDIAN
- MERSEN
- MESSAGELABS
- Messoa Technologies
- METABO
- metaSETZ
- Metra
- Metric Halo
- Metropolitan Vacuum Cleaner Co
- Metz
- Mg Electronics
- MGM - GROUPE DE SECURITE
- Mic WMicon Technology Inc
- MICR PRINT SOLUTIONS
- Microboards
- MICROLAB/FXR
- MICRON CONSUMER
- Micron Security Prod (Canada)
- Microphome, LLC
- MICROSEMI
- MICROSOFT
- MICROTHIN
- Middle Atlantic
- Midland Radio
- Midlite Corporation
- Midwest
- Metal Products
- MIER PRODUCT INC
- Miktek
- Milbank Manufacturing Co
- MILESTONE SYSTEMS
- MILLENNIATA
- Miller Camera Support
- Milspec Industries
- MILWAUKEE ELECTRIC TOOL CORP
- MINUTEMAN
- Mipro Electronics
- Mirage
- Miranda Technologies
- MIRCOM
- Mirror Image
- MIRTONE
- MISCELLANEOUS AIDC VENDORS
- MISFIT WEARABLES
- Mission
- MITA
- MITCHELL
- Mitek Corporation
- Mitra 3D Mic
- MITSUBISHI ELECTRIC
- MMF INDUSTRIES
- Mobee
- Mobifoto
- Mobile Data Holdings
- MOBIO
- MOBOTIX
- MODREC
- Modular Components
- MODULAR DEVICES
- Mogami Wire & Cable Corp.
- Mogan Microphones
- MOHAWK
- MONARCHMONITORS IN MOTION
- MONSTER CABLE
- MONTREAL HINGES
- MOOG VIDEOLARM
- MooreCo / Balt
- MORPHOTRAK
- MORSE WATCHMANS INC
- MOTION COMPUTING
- MotorHead Phones
- MOTOROLA
- Motu
- MOUSETRAPPER NORDIC
- Moving Still LLC
- MPOWR PRODUCTS
- M-S CASH DRAWER
- MSIMtx / Mitek Corporation
