3D Instruments Inc.	3M	AC-DC Electronics
Accusplit	ACES System	Acme Electric
Acterna	Advantest	Adwell International, LTD
AEHR	AEMC	Aeroflex
Aerospace	Agema	Ailtech
AIM-USA	Alcoa - Fujikura	Alcor, Inc.
Alfred	Alnor	Altek
Ameritec	Ametek	Amp
AMPG	Amplifier Research	Amprobe
Amrel	Analogic	Ando
Andrew Corp.	Anritsu	Apc
Applied Instruments, Inc.	Arga Controls	Argentix
Argo Systems	Armstrong	Array
Ashcroft	Associated Research	Astec
Astro Med	Astron	AT-T
ATEK Corp	ATN Microwave	Audio Precision
AUL Instruments, Inc.	Autek	AV Power
Avantron	Avcom	Avo
Avtech	AW Sperry	Bacharach
Baker Instrument	Ballantine	Bapco
Barfield	Beale	Beckman
Beco	BEHA	Behlman
Belar Electronics	Bendix	Bermar
Berry	Bertan	BF Goodrich Aerospace-JcAir Test
Biccotest	Biddle	Bio-design
Biosystems	Biotek	Bird
BJM	BK Precision	Black box
Blue-Point	BMI	BNC
Bocatech	Bonn Elektronik	Boonton
Bosch	Bowmar	Brown and Sharpe
Bruel - Kjaer	California Instruments	Canadian Utilities Supply
CDI	CDT	Centurion NDT
Cerjac	Chance	Charleswater
Chatillon	Chesilvale Electronics	Chicago Steel Tape
Chroma	Cirris	Clarence Controls
Clarke-Hess	Clarostat	Clinton Instrument
CMC	Coastel Cable Tools	Colby
Collins Radio Company	Com-Ten	Comdel
Compact Power Co.	Comsonics, Inc.	Comtech PST
Consultronics	Convex	Corelis
Corning	Crescent	Criterion Instruments Ltd.
Crown	CTC	CTC - Davar
Cushman	Dale Technology	Data I-O
Data Management Corporation	Data Precision	Datacom Technologies
Datron	Datum	DCM
DDC	DDI	Decom Systems
Del Electronics	Delaire	Deltron
Denver Instrument	Desco	Detector Systems
Dewalt	Dickson	Dicon
Diego Systems	Digital	Digital Engineering
Digital Lightwave	Digitech	Doble
Dosimeter Corporation	DPL	Dragar
Dranetz	Dressler	Druck
DTS	Dynaload	Dynamic Industries
Dynatech Nevada	Dynatel	E-H Research Labs
Eaton	ECI	Eckstein Bros, Inc.
Ectron	ED&D	EDC
EEV	Efratom	EG-G
EH Research	EIP	Electrical Test Instruments, Inc.
Electro Science	Electro-Metrics	Electro-Tech Systems
Electrodata	Electronic Research	Elgar
Elgenco	Elind	Emco
EMI	Endevco	ENI
Ericsson	ESI	Eventide
Exfo	Extech Electronics	Extech Instruments
Faith Co	Farinon	FCC Fischer
Federal	Fisher	Fisher Scientific
Fiskars	Fitel	Fluke
Flygt	Fulcrum Communications	FW Bell
Gamma Scientific	Gangpro	Gastech
GE	General Dynamics	General Eastern
General Microwave	General Radio	General Resistance
Gertsch	Gigatronics	Glassman
Global Specialties	GMP	GN Nettest
Goldak	Goodwill Instruments	Gould - Brush
Graphtec	Gray Instrument	Greenlee
Grundig	Guildline	Haefely Technology
Haefely Trench	Halcyon	Hameg
Harris	Harris Dracon	Harrison
Hart Scientific	Hastings	HDW
Heath	Heise	Helper Instruments
Hickok	High Voltage Inc.	Hilti
Hioki	Hios	Hipotronics
Hitachi	Hittite	HK Porter
HLI	Holaday Industries	Holt Instruments
Honeywell	Howell Instruments, Inc.	HP - Agilent
HP - Cerjac	Hsiang Cheng Electric (HCE)	HT Communications
Hughes	Huntron	Huskie
Idacom	IET	IFI
IFR - Aeroflex	Ikegami	ILX
IMCS	Industrial Instruments	Industrial Scientific
Inland Equipment Co.	Instek	Instron
Intelco	Interface Technology	Intermec
International Data Sciences, Inc.	International Light	Interpower
IOTech	ISA	Ishida
Ithaco	ITI	ITT
Iwatsu	Japan Radio Co	JDS Optics
JDS Uniphase	JDSU	Jerrold
JFW Industries	Jofra	Julie Research
K L Microwave	Kaiser Systems	Kalmus
Kay	Kaye	Keithley
Keltec	Kenwood	Kepco
Kestrel	Keytek	Kikusui
Kinetic Systems	Kistler	Klinger Electric
Krohn Hite	Krytar	Lab
Lake Shore Cryotronics	Lambda	Landshire
Laplace Instruments	Larus	Laser Precision
Lasertron	Leader	LeCroy
Lectro Products	Leeds - Northrup	Lenkurt
Levear	LH Research	Lightech
Lodestar	Logimetrics	Lucent
Lumidor	Luzchem	M/A Com
Mac Tools	Magni	Magtrol
Makita	Malor	MAR Associates
Marconi	Mark Products	Markenrich
Matrix	Matsusada Precision Inc.	Maury Microwave
MEC	MegaPhase	Megger
Melles Griot	Merge	Metrix Instrument Co.
Metropolitan Microwave Corp.	Metrotech	Metrotel
Mettler - Toledo	Micro Instrument	Micro-Now
Microlab	Micronetics	Microscan
Microtest	Microwave Development Labs	Microwave Power Devices
Mideastern Industries	Midtronics	Mikron
Millivac	Milwaukee	Minolta
Mirage	Mitutoyo	Modulation Sciences, Inc. ( MSI )
Monarch	Monroe	Mopeco
Morris	Motorola	Mountz
MPD	MSA	MTL Systems, Inc.
Multi-Amp	Nanofast	Narda
National Instruments	Navtel	NCI
Netech	Network Communications	Neutrik
Newport	Nicolet	Nikon
Niton	NJE	Noisecom
Noiseken	North Atlantic	Northeast Electronics
Northern Telecom	Noyes Fiber Systems	Nutmeg
Ohio Semitronics	OKI	Omega
Online Power	Ophir	Optoelectronics
Ortel	Oscilloquartz SA	OZ Optics
Pacific Measurements	Pacific Power Source	Packetstorm
Panasonic	PAR	Par - EG-G
Parkway Systems	Pearson Electronics	Pelsue
Pendulum Instruments	Penn Airborne	Performance Technologies
Perkins	Peschel	Phenix Technologies
Philco	Philips	Phoenix
Photodyne	Photon Kinetics	Photonetics
Photonic Integration Research	Photonix	Physiologic Instruments
Picker International	Picotest	PIE
Pine Instruments	PMC	Polar Instruments
Polarad	Potomac Instruments	Power Designs
Power Products, Inc.	Power Ten	Powertek
Powertron	PPM Inc	Preamble
Premier	Prime Technology	Primetech
Pro-Log	Prodigit	Programma
Programmed Test Sources	Progressive Electronics	Promac
Prosser	Protek	PTS
PTT	Quadtech	Quantum Composers
Quantum Data	Quartzlock	Ra-Nav Laboratories
Racal Dana	Racal Instruments	Radio Shack
Radiodetection	Ramsey Electronics	Random
Ratcliff	Raychem	Reichart
Reliance Telcom	Relm	Republic Electronics
RF Communications	RFL	Rifocs
Riser Bond	RKI	RLC Electronics
Rockland	Rockwell Collins	Rod-L
Rohde - Schwarz	Rolatape	Ross Engineering
Rotek	Ruska	Rycom
Sadelco	Sage	Santec
Saunders Associates	Schaffner	Schlumberger
Schonstedt Instrument Company	Scientific Atlanta	Scientific Test
Scope Communications, Inc.	Scott	Sencore
Sensitive Research	Shallcross	Sharp
Shiloh Industries	Shortridge Instruments	Siecor
Siemens	Sierra	Signal Recovery
Simco	Simpson	Singer
Skil	Slaughter	snap on
Snap-On	Solar Electronics	Solartron
Soltec	Sonoma	Sony
Sorensen	Sotcher	Sound Technology
SPC Technology	Spectracom	Spectronic
Spellman	Spirent	Spirent Smartbits
Stancor	Stanford Research	Starrett
STB Transformer	STC	Stihl
Sumitomo	Sun Electronic Systems	Sunrise Telecom
Symmetricom	SyntheSys Research	Systron Donner
T-Com	Tabor Electronics Ltd.	Tanaka
TAS	Tautron	Techne
Technipower	Techron	Tegam
Tekelec	Tekpower	Tektronix
Tel Instrument	Telesoft Technologies	Telewave
Tellabs	Teltone	Telxon
Tempo	Temptronic	Tenma
Termaline	Tettex	Texio
Texscan	Thermacal	Thermo Electric
Thermocoax	Thermotron	Thomas & Betts
Thunder Scientific	TIF	Timco
Time Electronics LTD	Topward	TPI
Tracor	Transcat	Transistor Devices
Transmation	Trek	Tremetrics
Trend	Trend Aurora	Trig-Tek
Trilithic	Triplett	Troemner
Tru-Stone	Trygon	TSI
Tsurumi	TTC - Acterna	TTE
TTI	Tylink	U-Teck
Uniteq	UTE Microwave, Inc.	Utec
UVP, Inc.	Valhalla	Vanguard Instruments
Varian	Vector-Vid	Velonex
Vena Engineering	Videotek	Vishay Measurement Group
Visual Information Institute	Vitrek	Viz
Voltech	Voyager	VTI Instruments Corporation
Vu-Data Corporation	VXI Technology	Wahl
Wandel - Goltermann	Waveline	Wavetek
Wayne Kerr	Weinschel	Wenzel Associates
Werlatone	Westell	Western Electric
Western Graphtech	Western Progress	Westinghouse
Weston	Wilcom	Willtek
Wiltron	Winslow	Xantrex
XL Microwave	Yokogawa