Mackie
MacroSystem Digital Video
Mad Catz
Mag Digital
Magellan
Magma
Magnadyne
Magnasonic
Magnat Audio
Magnavox
Makita
Manhattan Computer Products
Marantz
Maretron
Marmitek
Marshall Amplification
Marshall electronic
MartinLogan
Matrox Electronic Systems
Matsui America
Matsushita
Maxim
Maxtor
McIntosh
Meade
Medion
Melissa
Memorex
Merco Savory
Meridian America
Meridian Audio
Mermaid Technology
Metra Electronics
Metz
Meyer
Meyer Sound
MHP
Micro Innovations
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Microtek
Midland Radio
Miglia Technology
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Milwaukee
Minicom Advanced Systems
Minolta
Mintek
Mitel
Mitsubishi
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Mitsumi electronic
Moen
Monarch
Monster Cable
Morphy Richards
Motorola
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Moxa Technologies
Mr. Heater
MRV Communications
MSB Technology
Multi-Tech Systems
Multiplex Technology
Multiquip
Musical Fidelity
Mustek
NAD
Nagra
Napoleon Fireplaces
National
National Instruments
NCR
NEC
NeoDigits.com
NetComm
NETGEAR
Network Technologies
Neumann.Berlin
Neuros Audio
New Transducers
Nextar
NextBase
Nexus 21
Night Owl Optics
Nikon
Niles Audio
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Norcent Technologies
North American Battery Company
Novatel
Numark Industries
NuTone
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NXP Semiconductors
O2 Innovations
Olevia
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Olympus
Omega