A.P. BESSON
ABC CUSTOM CABINET
ABI / BROWNLEE
ABI / KRATOS
AC DC ELECTRONICS
ACOPIAN
ADVANCED INSTRUMENTS
AINSWORTH
ALCO
ALCOTT CHROMATOGRAPHY
ALLEN-BRADLEY
ALLIED RADIO
ALLTECH
ALPHA
ALPKEM
ALTEK
AMBIS
AMES
AMINCO
AMP
AMPERITE
ANALOG DEVICES
ANALOGIC
ANGAR SCIENTIFIC
ANSPEC
APPLIED BIOSYSTEMS
APPLIED HEALTH PHYSICS
ARBOR LABS
ARISTA
ASCO
ATC
ATTO INSTRUMENTS
AUTOCHROM
BACHARACH
BALZERS
BASELINE INDUSTRIES
BAXTER
BECKMAN
BELDEN
BELLCO
BIO TEK INSTRUMENTS
BIO-RAD
BIOANALYTICAL SYSTEMS
BIOMEDICAL DEVICES
BIOVATION
BODINE
BODMAN
BRANSON
BRINKMANN
BRUKER
BUCHI
BUCHLER
BULBTRONICS
BUSSMANN COOPER IND.
C & K
CAHN
CENTER MEDICAL SUP.
CERRO
CHERRY
CHRONO-LOG
CLIPPARD
COLE-PARMER
COLECO
COMAIR
CONVER CORP.
CORCOM
CORNING
COULTER ELECTRONICS
CP CLARE CO.
CRAMER
CRESTRON ELECTRONICS
CRL
CRYDOM
CRYO-MED
DATA PRODUCTS
DATA TRANSLATION
DAVID KOPF INSTRUMENTS
DEPATIE
DETROIT BALL BEARING
DIGILAB
DIGITAL EQUIPMENT
DIGITEC
DIONEX
DORMEYER
DRUMMOND SCIENTIFIC
DUPONT
DYNATECH
E-C APPARATUS
EATON
EBERLINE
EG & G
ELCOR
ELDEX LABS
ELKAY PRODUCTS
ELPAC
EPSON
EQS SYSTEMS
EVEREADY
FINNIGAN
FISHER SCIENTIFIC
FISONS INSTRUMENTS
FLUID METERING INC.
FLUKE
FORBERG
FORMA SCIENTIFIC
GELMAN SCIENCES
GENERAL CONTROLS
GENERAL ELECTRIC
GENERAL VALVE
GIANGARLO SCIENTIFIC
GILFORD
GILSON
GILWAY
GORDINIER
GOULD
GRASS INSTRUMENT
GRAYHILL
GUARDIAN
HAAKE
HACH CO.
HACKER INSTRUMENTS
HALLDORSON
HAMAMATSU
HAMILTON CO.
HANOVIA
HARVARD APPARTUS
HELLMA
HEWLETT PACKARD
HITACHI INSTRUMENTS
HOEFER SCIENTIFIC
HOUSTON
HUMPHREY PRODUCTS
IEE
IMC MAGNETICS CORP.
INDUSTRIAL TIMER CO.
INSTRUMENTATION LABORATORY
IRT CORPORATION
ISCO
J & B COMPUTER PROD.
J.W. MILLER
JAMECO
JASCO INC.
JEROME INDUSTRIES
KEPCO
KIPP & ZONEN
KONTRON
KRATOS
L.R. KLOSE ELECTRIC
LDC ANALYTICAL
LED
LEICA
LEITZ
LINEAR INSTRUMENTS
LITTLEFUSE INC.
LK LAB
LUDLUM MEASUREMENTS INC
LUXO
M & M DIST
M & M DISTIRBUTION
M & M DISTRIBUTING
M & M DISTRIBUTION
M AND M DISTRIBUTING
M&M DISTRIBUTING
MAC POWER
MACE CORP.
MAGER SCIENTIFIC
MAGNECRAFT
MALLINCKRODT SCIENCE PRODUCTS
MALLORY
MANOSTAT
MC MASTER-CARR
METTLER
MICROMEDIC
MICROSWITCH
MILES INC.
MILTON ROY
MILWALKEE RELAYS
MINI-LINE
MOLECULAR DEVICES
MOTOROLA
MSI
MULBERRY
NALGENE
NEPTUNE RESEARCH
NEW BRUNSWICK SCIENTIFIC
NEW DEPARTURE HYATT
NEWARK
NICOLET
NIDEC TORIN
NIKON
NOMA
NON-LINEAR SYSTEMS
NORAN INSTRUMENTS
NOVA BIOMEDICAL
NUCLEAR-CHICAGO
OEM
OLIVETTI
OLYMPUS
OMEGA ENGINEERING
OMNITECH ELECTRONICS
ORIENTAL MOTOR
ORION
PACKARD / CANBERRA
PAPST
PEPTIDES INTERNATIONAL
PERKIN-ELMER
PHARMACIA / LKB
PHILIPS
PIERCE
POMONA ELECTRONICS
POTTER & BRUMFIELD
POWERTEC
PPG BIOMEDICAL
PRECISION
QUALITY TRANSFORMER
R.S. ELECTRONIC
RADIOMATIC
RADIOMETER
RAININ
RATHSBURG ASSOCIATES
RCA
REDINGTON
RHEODYNE
SARGENT-WELCH
SARTORIUS
SAVANT
SHARP
SHIMADZU
SIGMA
SKATRON
SKINNER
SODECO
SONNTEK INC.
SPC
SPECTRA-PHYSICS
SSAC
SSI
STANCOR
STANDARD POWER
SYLVANIA
TDK
TECHNICON
TENMA
TEXAS INSTRUMENTS
THOMAS SCIENTIFIC
TIMEX
TR
TRACOR
TRIAD
UNIVERSAL ELECTRIC
UNREEL
UPCHURCH SCIENTIFIC
UVP
VALCO
VALUE PLASTICS
VARIAN
VECTOR CORP
VIRTIS
VWR
WAHL CLIPPER
WALLAC
WARREN
WATERS
WELCH ALLYN
WESTON INSTRUMENTS
WHITE & WHITE
WILLIAM B. JOHNSON
WOOD ELECTRIC CORP.
YAMATO
ZEISS