| All Electronics | Electro-Mechanical and Electronic Parts |
| Atex Electronics | Electronic Components |
| Audio Kit Mania | Parts, Kits |
| Audiokit | Tube Amplifier Kits, Speakers, Parts, Tubes |
| Diodes | Diodes |
| Electron Tubes and Vacuum Tubes for Industry | Tubes |
| Electronix Express | Parts |
| Farnell | Parts, Tools |
| Futurlec | Parts |
| General Semiconductor Inc. | Diodes, Voltage Regulators |
| Globex - Russian Electronic Exporter | Tubes, Parts |
| Hinkel-Elektronik | Parts |
| HI-TEK Electronics | 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 |
| Newark Electronics | Potentiometers, Parts |
| Parts Connexion | Parts |
| Parts Express | Electronics and more |
| Penta Laboratories | wide selection of Audio Tubes |
| Radio Daze | Tubes, Parts, Restoration |
| Reinhöfer Electronic | Tube Amplifier Kits, Tubes, Parts |
| 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 |
| Torres Amps | Tube Guitar Amplifiers, Kits, Parts, Tubes |
| Triode Electronics Online Catalog | Tubes, Parts, Tube Data, Schematics, Links |
| Vacuum Tube Valley | Tube Audio Magazine, Tubes, Parts, Service, Vintage Hifi Rebuild Kits, Capacitors |
| Vector - Russian Electronics | Tubes, Nixie Tubes, Parts |
| Vishay Intertechnology Inc. | Resistors |