| Ampwares | Parts, Tubes |
| Amtrans | Parts, Tubes |
| Antique Electronic Supply | Attenuators, Books, Capacitors, Enclosures, Guitar Parts, Knobs, Manuals, Potentiometers, Resisitors, Tubes, Tube Boxes, Tube Sockets, Speakers,Tools, Transformers, Wires |
| ATSI Tubeman | Tubes |
| Audio Electronic Supply | Tube Amplifier Kits and parts |
| Audio Kit Mania | Parts, Kits |
| Audio Note | Tube Amplifiers, Dac's, Speakers, Parts |
| Audio Part Laboratory APL | Tubes, Transformers, Parts, Vintage gear |
| AudioAPL | Koma Electronics, tubes, parts |
| Audiokit | Tube Amplifier Kits, Speakers, Parts, Tubes |
| Audioparts | Parts |
| BorderPatrol | Tube Amplifiers, PSU's |
| BTB Elektronik - Vertriebs GmbH | Tubes |
| Classic Components Inc. | Tubes, Japanese Parts |
| CPI Eimac | Vacuum Tubes Manufacturers, Vacuum Tube Sockets |
| D and C Electronics | Vacuum Tubes, Magnetrons and Sockets |
| DHTsound.com | Japanese Portal, Parts, Tube Amplifier Kits, tubes, forums, links |
| Digitex | Tube Amplifier Kits, Tubes, Speakers, Parts |
| Digitex | Tube Amplifiers Kits, Parts |
| DIY Audio Craft | Parts |
| DIY Hi-Fi & Tubes | Tubes, Tube Amplifiers KITS, Parts, Books |
| Diyhifisupply | Tubes, Tube Amplifiers KITS, Parts |
| Electron Tubes and Vacuum Tubes for Industry | Tubes |
| Evatco | Tubes |
| Frag Jan zuerst- Ask Jan first | A lot of information regarding old tube radios |
| GLIM Audio homepages! | Tube Amplifiers, Tubes, Parts |
| GOLDEN MIDDLE | Tube Amplifiers, Transformers, Tubes |
| Greatly Blessed Yield | Tube Amplifiers, Tubes |
| GSTubes, radio tubes, valves | Tubes, Vacuum Tube Sockets, Schematics |
| Handmade Electronics | Tubes and Parts |
| Jingau Enterprise | Tubes, Transformers, Parts |
| Kozakai Denshi | Tubes, Parts, Radios |
| Oh's Audio | Tube Amplifiers, Tube Amplifiers Kits, Forum, Parts |
| oldtube.com | Tubes |
| Oppermann Electronic | Parts |
| Parts Connexion | Parts |
| Pispola Patrizia | Componenti elettronici |
| Play Things Of Past | Tubes, Parts |
| Radio Daze | Tubes, Parts, Restoration |
| Reinhöfer Electronic | Tube Amplifier Kits, Tubes, Parts |
| RF Parts Company™ Amateur Radio Catalog | Tubes, Parts |
| Shinrock | Transformators, Capacitors, Tube Sockest |
| Surplus Sales of Nebraska Index | Parts, Tubes |
| The New Tube Company | Tubes, Tube Sockets, Transformers, Parts |
| The Tube Cente | Tubes, Tube Sockets |
| The Tubestore | Tubes |
| THEL Audio Engineering | Tube Amplifier Kits, Tubes and DIY Parts |
| THL Audio | Parts |
| Torres Engineering | Tube Amplifier Kits, Tube Guitar Amplifiers |
| Trafo Baule | Tube Amplifier Kits, Transformer, Tubes |
| Triode Electronics Online Catalog | Tubes, Parts, Tube Data, Schematics, Links |
| Tube Audio Kits. Com | Tube Amplifier Kits, Parts |
| Tube List, Elektron Rør | Tubes, Parts |
| Tube Town | Tubes, Parts, Kits |
| Tubes 4 all | Tube Amplifier Kits, Parts |
| Tubeshop - Dir Röhrenklinik | Tubes |
| Vacuum Tubes, Electron Tubes, Tubes, Tube Testers and Electronic Parts | Tubes, Parts, Testers, Manuals |
| Vacuum Tubes, Electron, NOS vacuum tubes | Tubes, Sockets |
| Vacuum Tubes, Inc., Electron Tubes | Tubes, Sockets, Manuals, Schematics, Information, Radios |
| Valve Electronics | Tubes, Parts, repair and restoration of Radios |
| Van Weelden | Tubes, Parts |
| Watford Valves | Tubes and Equipment for Musicians |
| Welborne Labs | Tube Amplifier Kits, Tubes and Parts |