AMERICAN OPTICAL	FUKUDA DENSHI	PHILIPS
BECKMAN	HELLIGE/MARQUETTE	PICKER CAMBRID.CAMCO
BIOCARDIO	H & C CARDIETTE	QUINTON
BIOSET ZWOENITZ	HEWLETT PACKARD	REYNOLDS
BOSCH	HUNTLEIGHT	SCHILLER
BURDICK	I.L.	SECA
CAMBRIDGE	KONTRON ROCHE	SIEMENS
CARDIOLINE	KRANZBUEHLER	SIMONSEN
CARDIORAPID	LITTON	SONY
CARDISUNY	MARQUETTE	SOXIL
COBAS	MICROMED	TELEMED
COROMETRICS	MITSUBISHI	TEXAS INSTRUMENTS
CUSTOMED	MORTARA RANGONI	TOITU
DEL MAR AVIONICS	NEURORAPID	VITALOGRAPH
DISA	NIHON KOHDEN	WAKELING
ESAOTE BIOMEDICA	OXFORD