A.E.G.	BUSSMAN.	GOULD.	PANASONIC.	SUHNER.
ALLEN BRADLEY.	CONTELEC.	GROSCHOP.	PHONIX.	SWISTAC.
AMPHENOL.	CONTRAVES.	HAMEG.	PRECIDIP.	TAG.
ANSLEY.	COVENCO.	HENGSTLER.	PROMAX.	TDK.
ASETIC.	CROVISA.	HIOKI.	RADIO ENERGIE.	TOMAS & BEST.
AUGAT.	DURACELL.	INSUL-8-BAR.	RELECO.	VARTA.
ARISTON.	E.A.O.	INTERSIL.	RUBICON.	VERO.
BBC.	EECO.	KAINOS.	SCHLEICHER.	WESTCODE.
BALLUF.	EICHOFF.	KIKUSUY.	SCHRACK.	WESTON.
BECKMAN.	ELECTROMATIC.	KILOVAC.	SCHURTER.	WICKMAN.
BEREC.	ELMA.	LANDIS GYR.	SECME.	WESTINGHOUSE.
BIANCHI.	ENGLISH ELECTRIC.	LECLANCHE.	SEMIKRON.
BINDER.	ETRI.	LKNES.	SIBA.
BOAR.	FERRAZ.	LMI.	SICK.
BOURNS.	FLUKE.	MALLORY.	SILICONIX.
BURGERSS.	GENERAL ELECTRIC.	OMRON.	SIPEX.
BUSCHER.	GHIELMETTI.	PAPS.	SOURIAU.