Admiral vacuum tubes
AEG
Aero Electronics
Amalgamated Wireless Valve Co.Pty.Ltd
American
Amperex vacuum tubes
Amperite vacuum tubes
Apollo
Aquila Tubi Elettronicie Semiconduttori ATES
Associated Electrical Industries (AEI)
Belvu
Bendix Aviation vacuum tubes
Bentley Acoustic Corporation vacuum tubes
Brimar vacuum tubes
British military (CV)
Burroughs vacuum tubes
Central Electronic Industries
Cetron valves
Chatham valves
Chelmer Valve
Cie. Ind. Francaise des Tubes Electroniques
Columbia Broadcasting Systems
Compagnie generale de telegraphie sans fil
Cossor valves
Cunningham valves
Dixie
Double triode
Dumont
Edison
Ediswan
Eimac
Electro-Harmonix
Electronic and Musical Industries
Electronic Enterprises Inc
Electronic Tubes
Elektronska Industrija
Emitron
England
English Electric
Ericsson
Ever-Ready
Ferranti
Fivre
Full-wave rectifier
Future Electronics Corporation
G V Controls
G.E.C. (Genalex)
Gammatron
General Electric
General Electric (GE)
General Electronics
General Radio
Gilbert Photo-Electronics
Haltron
Heintz & Kaufman
Hit-Ray
Hitachi
Hivac
Honeywell
Hytron
IBM
Ideal
Inter Composants
International
International Telephone & Telegraph
Joint Army Navy US (JAN)
Ken-Rad
Lewis & Kaufman
Litton Industries
Lorenz
Marconi
Mazda vacuum tubes
Micron
Miniwatt
Motorola
Mullard vacuum tubes
National
National Electronics Company
National Union
Neotron vacuum tubes
Northern Electric
Osram
Ouest Composants
Penta Laboratories
USA-made vacuum tubes.
Philco
Philips
Radio Corporation of America
Radiotechnique
Rand Radio und Fernmelde Technik
Rauland & Borg
Raytheon
RCA vacuum tubes
Realistic
Remington Rand
Rogers
RSD
SB-Electronik
Scoba
Siemens
Signet
Sonotone
Sovtek
Sperry
Standard Telephone and Cable
Sylvania
Telefunken vacuum tubes
Teonex
Tesla
Thomson CSF
Thorn AEI
Thyratron
Toshiba
Trigon
Tronal
Tung-Sol
Tungsram
Ultron
United Electronics Company
Valvo
Various
Various manufacturer
Visseaux
Warren
Werk fur Fernmeldewesen
Western Electric
Westinghouse
York
Z & I Aero Services
Zaerix
Zenith