- Amateur Radio Supplies
- Associated Radio
- BridgeCom Systems
- Burghardt Amateur Center
- FlexRadio – Software Defined Radios
- GigaParts
- Ham City
- Ham Radio Center
- Ham Radio Outlet (HRO)
- Ham Station (used gear)
- Four State QRP Group (4sqrp.com)
- QRPGuys – QRPGuys
- QRP Labs Kits (qrp-labs.com)
- Quicksilver Radio Products
- R & L Electronics
- Radio Dan
- Radio Shack
- Texas Towers
- TubeDepot!
- The Tube Shop
- Universal Radio
- WBØW
- www.vacuumtubes.com
- www.tubesandmore.com
- www.radiodaze.com
- www.af4k.com