AC/DC
Acme
Acopian
Acterna TTC
Adtech
Advantest
Aeroflex-RDL
Agilent HP
American High Voltage
American Microwave Technology
Ameritec
Amplifier Research
Amrel
Anaheim Scientific
Analogic
Anatek
Ando
Anritsu
Arium
Associated Research
Astro-Med
Astron
Atlantic Research
ATN Microwave
Audio Precision
Austron Inc.
Autek
Avtech
Ballantine
Beckman
Behlman
Bell
Biddle (see also Megger)
Biomation/Gould
Bird
BK Precision
BMI (Basic Measurement Instruments)
BNC (Berkeley Nucleonics Corp.)
Boonton
Bruel + Kjaer
Cabletest International Inc.
California Instruments
CalTest
Chroma
Circuit Test
Clarke Hess
Codan
Coherent Communications Systems
Colby Instruments
Coleman
Combinova
Compliance Design
Compliance West
Consultronics
Data I/O
Data Precision
Datacom Textron
Datapulse
Datron
Datum
Daytronic
Dicon
Dranetz
Dynaload
E&M Lab
E.A. Fischione
Eaton
EDC (Electronic Development Corp.)
EG&G
EIP Microwave
Electrodata
Electronic Development Corp.
Electrovert
Elgar
Embedded Performances, Inc. (EPI)
EMC (Electro-Metrics Company)
Emco
EMI (Electronic Measurement Inc.)
ENI (Electronic Navigation Industries)
ESI (Electro Scientific Industries)
ETS Lindgren
Euroshield
Exact
EXFO
Exide
Extech
Farnell
Fiber Instrument Sales (FIS)
Fischer Custom Communications(FCC)
Fluke
Focus Microwaves
Fuji
Fujikura
Gamma Scientific
General Radio
Gigatronics
Glenayre
GN Nettest
Goldstar
Gould / Brush
GrassValley
Guildline
Haefely
Halycon
Heathkit
Hewlett Packard (see Agilent)
HGL
Hipotronics
Hitachi
Honeywell
HP (see Agilent)
Hughes Electronics
Huntron
Hycor
IFI
IFR (Instrument Flight Research)
ILX Lightwave
IMCS
Instek
Interstate Electronics
Ithaco
Iwatsu
JDS
K&L Microwave Inc.
Kay
Kaye
Keithley
Kepco
KeyTek
Kikusui
Krohn-Hite
Lakeshore
Lambda
Lambda / Sorensen
Leader
LeCroy
Leeds & Northrup
Loral
Magni
Magtrol
Marconi Instruments
Matrix
Maury Microwave
MCE/DML Microwave
MECA Electronic Inc.
Megger®
Mellen Company
Metron Optics
Meyer
Microlab/FXR
Microtest
Microwave Communications Laboratories Inc. (MCLI)
Microwave Logic
Milmega
Motorola
MPM
MSP Corporation
Narda
Neslab
Net Optics
Network Communications
Network General
New Focus
Newport
NH Research
Nicolet
Nikon
Noise Com
North Atlantic
Omega
Ono Sokki
Ophir/GTC
Optical Gaging Products
Pacific Measurements
Pacific Power Source Corp.
Panasonic
Panasonic
Perkin-Elmer
Perma Power
Philco
Philips
Philtek
Photodyne
Picturetel
PMC
Polar
Polaroid
Power Designs
Power-Ten
Powertron
PowerWave Technologies
Pragmatic
Princeton
Programmed Test Sources
Protek
Quad Tech
Quantum Data
Racal Dana
RFL
RLC Electronics
Rod-L Electronics
Rohde & Schwarz
Rubicon
Rycom
Sage
Sanyo
Saunders
Schaffner
Schlumberger
Schwarzbeck-Mess Elektronik
Scientific Atlanta
Seicor
Sencore
Shallcross
Siemens
Sigma Systems
Simpson
Slaughter
Solartron
Solektron Systems
Sony
Sorensen
Sound Technology
Spectracom
Spectral Dynamics
Spectrian
Speedline Camalot
Sperry Phoenix
Spirent
Stanford Research Systems
Sunol Sciences
Sunrise Telecom
SyntheSys Research
Systron Donner
T A S
Tait Radio Communications
Tau-Tron
TEAC
Tekelec
Tektronix
Texscan
Topward
Tripp Lite
Trygon
TTC (See Acterna)
Universal
Valhalla Scientific
Varian
Velonex
Vishay
Voltech
W&G (Wandel & Goltermann)
Wavetek
Wayne Kerr
Weinschel Corp.
Western Graphtec
Wilcom
Wiltron
Xantrex
Yokogawa Electric