| All Electronics | Electro-Mechanical and Electronic Parts |
| Allied Electronics | Parts |
| Alpha Electronics | Resistors |
| Amptek | Tube Guitar Amplifiers, Tubes, Books, Parts |
| Angela Instruments | Parts, Speakers, Tubes |
| 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 |
| Aqua Blue | Tube Amplifier Kits, Speakers, Parts |
| Audio Kit Mania | Parts, Kits |
| Audio Note | Tube Amplifiers, Dac's, Speakers, Parts |
| Audiokit | Tube Amplifier Kits, Speakers, Parts, Tubes |
| Audioparts | Parts |
| Bertech-Kelex | Electronic Components and Solder Products |
| BorderPatrol | Tube Amplifiers, PSU's |
| Caddock Electronics | Resistors |
| CadenceAudio | Tube Amplifiers, Speakers |
| CE Distribution LLC Tube Accessories | Parts, Tubes |
| Centro Laboratorio HI-FI | Tube Amplifiers, Parts |
| Classic Components Inc. | Tubes, Japanese Parts |
| DC Components Co Ltd | Diodes, Bridge Rectifiers |
| DHTsound.com | Japanese Portal, Parts, Tube Amplifier Kits, tubes, forums, links |
| Digitex | Tube Amplifier Kits, Tubes, Speakers, Parts |
| Digitex | Tube Amplifiers Kits, Parts |
| DIY Hi-Fi & Tubes | Tubes, Tube Amplifiers KITS, Parts, Books |
| Diyhifisupply | Tubes, Tube Amplifiers KITS, Parts |
| EES Audio | Tube Amplifiers, Tubes, Parts |
| Electronix Express | Parts |
| Esco | Tubes, Parts |
| 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 |
| Globex - Russian Electronic Exporter | Tubes, Parts |
| 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 |
| International Rectifier | Resistors |
| Jameco Electronics Electronic Components | Parts |
| Ken's Electronics | Tubes, Parts |
| K-tronics, Inc. | Resistors |
| Leeds Electronics | Tubes and Parts |
| Main Electronics Receiving Tube Page | Tubes, Parts |
| Maplin Electronics | Parts |
| Mark Electronics | Parts |
| MarVac Home | Parts |
| MCM Electronics | Various Electronic Parts |
| Meritek Electronic Corporation | Parts |
| Metco Electronics | Parts |
| Microcom Technologies | Tubes, Parts |
| Microcom Technologies | Tubes, Parts |
| Minute Man | Parts |
| Mundorf-Online | Parts not only for speakers |
| Newark Electronics | Potentiometers, Parts |
| North Creek Music Systems | Speakers |
| NTE Electronics | Parts |
| Octave Electronics | Parts |
| Oh's Audio | Tube Amplifiers, Tube Amplifiers Kits, Forum, Parts |
| OlimpiaAudio | Tube Amplifiers, Tubes, Transformers, Parts |
| Oppermann Electronic | Parts |
| Partridge Electronics - Equipment and Components | Tubes, Transformers, Parts |
| Parts Connexion | Parts |
| Parts Express | Electronics and more |
| Patuxent Communications | Parts, Transformers |
| Philly Audio | Tube Amplifiers, Tubes, Parts |
| Pispola Patrizia | Componenti elettronici |
| Radio Daze | Tubes, Parts, Restoration |
| RCD Components Inc. | Resistors, Coils, Inductors |
| Reinhöfer Electronic | Tube Amplifier Kits, Tubes, Parts |
| RF Parts Company™ Amateur Radio Catalog | Tubes, Parts |
| Richardson Electronics | Tubes and Parts, Amperex Bugle Boy |
| RP Electronics | Tubes, Test Instruments , Power Supplies |
| RS - Components | Parts |
| SAC Thailand | Tube Amplifiers , Speakers, Tubes, Parts |
| Schuricht | Tubes, Parts |
| Schuro - Elektronik | Parts |
| Sonic Soul | Parts, Transformers, Tubes |
| Staffall | Standoffs |
| Steinmusic | Parts, Tubes |
| Studio M | Retailer, Capacitors, Transformers, Resistors, Speakers, Articles |
| Surplus Sales of Nebraska Index | Parts, Tubes |
| THL Audio | Parts |
| Torres Engineering | Tube Amplifier Kits, Tube Guitar Amplifiers |
| TRIODES.nl | Tubes, Parts |
| Tube Audio Kits. Com | Tube Amplifier Kits, Parts |
| Tube Town | Tubes, Parts, Kits |
| Tubes 4 all | Tube Amplifier Kits, Parts |
| Van Weelden | Tubes, Parts |
| Vintage Hi-Fi | Tubes, Parts, Tube Amplifier Kits |
| Vishay Intertechnology Inc. | Resistors |
| 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 |