Röhrenmarken / Tube Brands noch in Arbeit / still under construction
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| WARD WEAR |
| WELSH |
| WESTERN |
| WESTRON |
| WIZARD |
| WORLD RADIO TUBE |
| WRC |
| WUNDERLICH |
| Western Electric |
| Westinghouse |