| Action Electronics | Parts |
| Aerovox ac, dc, energy storage | Capacitors |
| All Electronics | Electro-Mechanical and Electronic Parts |
| Allied Electronics | Parts |
| Amptek | Tube Guitar Amplifiers, Tubes, Books, Parts |
| Ampwares | Parts, Tubes |
| Angela Instruments | Parts, Speakers, Tubes |
| Ansar | Capacitors |
| Antique Electronic Supply | Attenuators, Books, Capacitors, Enclosures, Guitar Parts, Knobs, Manuals, Potentiometers, Resisitors, Tubes, Tube Boxes, Tube Sockets, Speakers,Tools, Transformers, Wires |
| Apollo Amplifiers | Tube Guitar Amplifers, Parts |
| Apparatebau Lück, Wipperfürth | Enclosures |
| Aqua Blue | Tube Amplifier Kits, Speakers, Parts |
| ASE-Audiotuning | Capacitors, tuning |
| Atex Electronics | Electronic Components |
| Audience Audio Video Components | Cables, Capacitors |
| Audio Kit Mania | Parts, Kits |
| Audio Note | Tube Amplifiers, Dac's, Speakers, Parts |
| Audio Note France Haute fidélité à tubes | Retailer |
| Audio Note-Kondo | Original Audio Note, DAC, Speker, Cables |
| Audiokit | Tube Amplifier Kits, Speakers, Parts, Tubes |
| Audiolamp | Tubes, Capacitors |
| Audioparts | Parts |
| Bertech-Kelex | Electronic Components and Solder Products |
| Black Gate | Capacitors |
| BorderPatrol | Tube Amplifiers, PSU's |
| CE Distribution LLC Tube Accessories | Parts, Tubes |
| Centro Laboratorio HI-FI | Tube Amplifiers, Parts |
| Claritycap | Audio coupling capacitors |
| Classic Components Inc. | Tubes, Japanese Parts |
| DHTsound.com | Japanese Portal, Parts, Tube Amplifier Kits, tubes, forums, links |
| Digitex | Tube Amplifier Kits, Tubes, Speakers, Parts |
| Digitex | Tube Amplifiers Kits, Parts |
| Direct Components | Tubes, Capacitors |
| DIY Audio Craft | Parts |
| DIY Hi-Fi & Tubes | Tubes, Tube Amplifiers KITS, Parts, Books |
| DIYCable.com | Cables, Parts |
| Diyhifisupply | Tubes, Tube Amplifiers KITS, Parts |
| DuraCap International | Capacitors |
| EES Audio | Tube Amplifiers, Tubes, Parts |
| EIFL Corporation | Capacitors, Transformers, Speakers, Tube Amplifier Kits |
| Electronix Express | Parts |
| Elna America Capacitor manufacturer | Capacitors |
| EPCOS - Electronic Parts and Components | Capacitors, Electronic Parts |
| Esco | Tubes, Parts |
| Evatco | Tubes |
| Experience Electronics | Tube Amplifier Kits, Parts, Transformers |
| Fair Radio Sales Company Inc. | Parts |
| Farnell | Parts, Tools |
| Frag Jan zuerst- Ask Jan first | A lot of information regarding old tube radios |
| Futurlec | Parts |
| GLIM Audio homepages! | Tube Amplifiers, Tubes, Parts |
| Globex - Russian Electronic Exporter | Tubes, Parts |
| Greatly Blessed Yield | Tube Amplifiers, Tubes |
| Guitar Tube AMP Items | Tubes, Capacitors, Resistors, Transformers |
| Handmade Electronics | Tubes and Parts |
| hificollective | Tube Amplifier Kits, Parts |
| Hinkel-Elektronik | Parts |
| HI-TEK Electronics | Parts |
| Hovland Company | Tube Preamplifiers, Cables, Interconnects |
| Hssfidelity | Car Tube Preamplifiers, Capacitors |
| ICW | Capacitors |
| IGA Valves Bilbao | Tube Seller |
| Jameco Electronics Electronic Components | Parts |
| Jensen Capacitors | Capacitors |
| Jingau Enterprise | Tubes, Transformers, Parts |
| JJ Electronics | Tubes, Capacitors, TubeAmplifiers |
| Ken's Electronics | Tubes, Parts |
| Kozakai Denshi | Tubes, Parts, Radios |
| Lampy Elektro-nowe | Transformers, Schematics |
| Leeds Electronics | Tubes and Parts |
| Losonci | Tubes, Tube Amplifiers |
| Main Electronics Receiving Tube Page | Tubes, Parts |
| Maplin Electronics | Parts |
| Mark Electronics | Parts |
| MarVac Home | Parts |
| Mathes Amplification | Vintage Guitar Amplifiers and Repairs |
| MCM Electronics | Various Electronic Parts |
| Meritek Electronic Corporation | Parts |
| Metco Electronics | Parts |
| Micro Components | Car Tube Amplifiers |
| Microcom Technologies | Tubes, Parts |
| Milbert Amplifiers | Tube Amplifiers for Cars, Tube X-Over |
| Minute Man | Parts |
| Mundorf-Online | Parts not only for speakers |
| Musical Concepts-Musical Design | Tube Preamplifiers |
| Newark Electronics | Potentiometers, Parts |
| Nichicon | Capacitors |
| Nichicon (America) Corporation | Capacitors |
| North Creek Music Systems | Speakers |
| NTE Electronics | Parts |
| Octave Electronics | Parts |
| Oh's Audio | Tube Amplifiers, Tube Amplifiers Kits, Forum, Parts |
| oldtube.com | Tubes |
| OlimpiaAudio | Tube Amplifiers, Tubes, Transformers, Parts |
| Oppermann Electronic | Parts |
| Oren Elliott Products | Air dielectric capacitors, inductors |
| Parts Connexion | Parts |
| Parts Express | Electronics and more |
| Patuxent Communications | Parts, Transformers |
| Philly Audio | Tube Amplifiers, Tubes, Parts |
| Pispola Patrizia | Componenti elettronici |
| Play Things Of Past | Tubes, Parts |
| Radio Daze | Tubes, Parts, Restoration |
| Reinhöfer Electronic | Tube Amplifier Kits, Tubes, Parts |
| Reliable Capacitors | Coupling Capacitors |
| RF Parts Company™ Amateur Radio Catalog | Tubes, Parts |
| RFE International Home Page | Capacitors, resistors, Inductors |
| Richardson Electronics | Tubes and Parts, Amperex Bugle Boy |
| RS - Components | Parts |
| Ruby Tubes | Tubes |
| Rubycon Corporation | Capacitors |
| SAC Thailand | Tube Amplifiers , Speakers, Tubes, Parts |
| Schuricht | Tubes, Parts |
| Schuro - Elektronik | Parts |
| Seacor | Capacitors |
| Shinrock | Transformators, Capacitors, Tube Sockest |
| Solen | Capacitors, Speakers, Inductors |
| Sonic Craft | Speaker Kits |
| Sonic Soul | Parts, Transformers, Tubes |
| Steinmusic | Parts, Tubes |
| Studio M | Retailer, Capacitors, Transformers, Resistors, Speakers, Articles |
| Suntan Capacitors Company | Capacitors |
| Surplus Sales of Nebraska Index | Parts, Tubes |
| TAD - The Tube Amp Doctor | Tubes, Parts |
| TAD - The Tube Amp Doctor | Tubes, Parts |
| Tec-Sol | Tubes, Parts |
| Tony Welsh | Tubes, Capacitors |
| Torres Amps | Tube Guitar Amplifiers, Kits, Parts, Tubes |
| Torres Engineering | Tube Amplifier Kits, Tube Guitar Amplifiers |
| Triode Electronics Online Catalog | Tubes, Parts, Tube Data, Schematics, Links |
| TRIODES.nl | Tubes, Parts |
| Tube Amp Doctor GmbH | Tubes |
| 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 |
| Tubeworld | Tubes, Capacitors, Retailer |
| Vacuum Tube Valley | Tube Audio Magazine, Tubes, Parts, Service, Vintage Hifi Rebuild Kits, Capacitors |
| Van Weelden | Tubes, Parts |
| Vatronics | Capacitors, Potentimeters |
| V-Cap Capacitors | Capacitors |
| Vector - Russian Electronics | Tubes, Nixie Tubes, Parts |
| Vimex Homepage | Parts |
| Vintage Hi-Fi | Tubes, Parts, Tube Amplifier Kits |
| Watford Valves | Tubes and Equipment for Musicians |
| Webtronics | Circuit Specialists - Data Acquisition - Industrial Computers - Test Equipment - Components & Supplies... |
| Welborne Labs | Tube Amplifier Kits, Tubes and Parts |
| Well Audio Labs | Capacitors, Resistors, Transformers |
| Wesco Electrical Webpage | Film Capacitors |