M.E.G.
M&C
M&H
MAC
MACBETH
MACHINE CONTROL INC.
MACTRON
MADISON
MAG TECHNOLOGY
MAGITRONIC
MAGNA
MAGNACRAFT
MAGNAFLUX
MAGNAVOX
MAGNE
MAGNETEC POWER
MAGNETEK
MAGNETIC POWER SYSTEMS
MAGNETROL
MAGPOWER
MAHLO
MAILLEFER
MAISE
MAJESTIC JORDON
MALOJA
MAN ROLAND
MANIA
MANN-RUSSELL
MANNESMANN DEMAG
MARATHON
MARKEM
MARKON
MARNNING
MARPOSS
MARQUETTE
MARQUIP
MARS
MARSH
MARSHALL ELEC.
MARTEL
MARTIN
MASSTRON
MATIER BURT
MATRIX
MATROX
MATSURA
MATSUSHITA
MATTHEWS
MATTKE
MAX DATWYLER
MAXON
MAYTAG
MAZAK
MBO
MC CLEERY
MC GRAW EDISON
MCC
MCCAIN MANUFACTURING
MCGILL
MCQUAY
MCS
MEASUREMENT SYSTEMS
MEASUREX
MECHANICAL SPECIALTIES MECHATRON
MECHTRONICS
MEDAR
MEDATA BESTOBELL
MEGGER INSTRUMENTS
MEIKI
MELSEC
MEMCO
MENDES
MERIAM INSTRUMENT
MERLIN GERIN
MERRICK
METALCHEK
METCO
METRAMATIC
MGE UPS SYSTEMS
MGV
MIBUDENKI
MICRO MOTION
MICROFLOC PRODUCTS
MICROPUL
MICROSCAN
MICROSWITCH
MICROTEC
MICROTEL
MIDWEST TIME CONTROL
MIHARA MACHINERY
MIKI PULLEY
MIKONTROL
MIKRO-PUL
MILL EQUIPMENT
MILLER
MILLER MARTINI
MILLTRONICS
MILTON ROY
MILWAUKEE
MINARIK
MINIM
MINSTER
MIRTONE
MITCHELL INSTRUMENTS
MITSUBISHI
MK PRODUCTS
MKS INSTRUMENTS
MMATS
MOBILOGIC
MOCON
MODERN POWER
MODICON
MODUDATA SYSTEMS
MOISTURE REGISTER PRODUCTS
MOISTURE SYSTEMS
MOKON
MOLLSCAN
MONARCH
MONITRONIX
MONSANTO
MONSUN-TISON
MONTECH
MONTWILL&SCHAFER
MOORE INDUSTRIES
MOORE PRODUCTS
MORI SEIKI
MORRISON
MORSE
MORVUE
MOSA
MOTCH
MOTION CONTROL
MOTION PRODUCTS
MOTOR APPLIANCE
MOTOROLA
MOTORTRONICS
MPCS
MSA
MSC
MSI CORP.
MTS
MUELLER
MULLER
MULTI MEDIA
MULTI VOLT
MULTICOM
MULTIVAC
MURATA
MURR ELEKTRONIK
MUUNTOSAHKO