| AA9TT | Ham Radio, Vintage Tube Audio Equipment |
| Ahrens-Audio | Vintage Tube Amplifiers, Tubes |
| Andix | Vintage Tube Audio Equipment |
| Antique Radio Repair and Restoration | Tube Amplifier Service, Vintage Tube Audio Equipment, Tube Radios & Related Vintage Items |
| Audio Oasis.com | Retailer, Tubes |
| Audio Part Laboratory APL | Tubes, Transformers, Parts, Vintage gear |
| Audio Summit | Japanese vendor for 2nd hand products |
| Audio Trading Market | Japanese vendor for 2nd hand products |
| Audiophool | Vintage Tube Audio Equipment, DIY Tube Amplifiers |
| Bavo Dekker | Vintage Tube Audio Equipment, Articles |
| Carolina TubeWorks | Tubes, Vintage Tube Audio Equipment |
| Chevet Supplies Ltd. | Vintage Tube Audio Equipment |
| Classic HiFi - Jochen Straceny | Tube Amplifier Services |
| Defboo.cmd | Tube Amplifier Services |
| EarlyWireless (Lorne Clark) | Tube Radios & Related Vintage Items, Tubes |
| Eico HF-81 | Vintage Tube Audio Equipment |
| Emission Lab | Japanese Tube Amplifiers |
| Firebottles! | Vintage Tube Audio |
| John's Radio Pages | Vintage Audio Gear, Scott |
| Lin Robertson's Old-Time Radio Page | Vintage Tube Audio Equipment |
| Michael Audio | Tubes, Vintage Tube Audio Equipment, Retailer |
| Michael's Radio Page | Tube Radios & Related Vintage Items |
| Michael's Village Music | Tube Amplifier Service, Vintage Tube Audio Equipment |
| Nixie Clock and Nixie Wristwatch site | Vintage Tube Equipment |
| Plexi Palace | Tube Amplifier Services, Vintage Gear |
| Quad Musik | Refurbished Quad gear |
| Radio D'Epoca | Tube Radios & Related Vintage Items, Parts |
| Radio-Antik | Tube Radios & Related Vintage Items |
| Robert van dyke | Vintage Tube Audio Equipment |
| SatCure Audio | Tubes, Vintage Tube Audio Equipment |
| SoFlo Tubeamps | Vintage Tube Guitar Amplifiers |
| Sound.k.1 | Vintage Audio, Records |
| Surplus Sales of Nebraska | Vintage Tube Audio Equipment, Tubes |
| The Audio Website | Vintage Tube Audio Equipment, Museum |
| The Emporium | Vintage Tube Audio Specialist |
| Toronto Surplus & Scientific Inc. | Vintage Tube Audio Equipment |
| Tubesound.com | Tubes, Amplifiers, Jukeboxes, Radios, & vintage tube audio gear |
| Udo s oldradio | Vintage Radio Collector |
| Ulrich Haumann's Vintage HiFi Pages | DIY Vintage Hifi |
| Used Vintage Salvage | Vintage Tube Audio Equipment |
| Vintage audio pages | Vintage Tube Audio Equipment |
| Vintage Audio World | Vintage Tube Audio Retailer |
| Vintage Hi-Fi | Vintage Tube Audio Equipment, Tube Radios & Related Vintage Items |
| Vintage King Audio | Vintage Tube Audio Equipment |
| Vintage Radio & Audio Pages | Vintage Radio's and Phonos |
| Vintage Radio Repair and Restoration | Information, Datas, Repair, Restoraration |
| Vintage Radio World | Tube Radios, Museum |
| Vintage Sound | Vintage Hifi, NOS tubes |
| Vintage Tube amplifiers | Vintage Tube Audio Equipment |
| Vintage-audio | Vintage Tube Audio Retailer |
| Wizard Labs | Vintage Tube Audio Equipment, Tube Amplifier Service |
| Wohlklang | Speaker, Vintage Equipment |