- Aerial Oy
- BayCom
- Connect Services
- Down East Microwave
- DX System Radio
- Easyterm for Windows
- Elfa
- Elstar Oy
- Force 12 Antennas & Systems
- HamRad
- Ham Radio Online Magazine
- The Hamtrader
- Huuto.net
- Icom America
- Icom UK
- Kantronics Co
- KaWin Home Page
- Kenwood
- Max-Gain Systems, Inc.
- Parabolic Ab
- QRZ Home Page
- Radioware & Radio Bookstore
- RF-electronics
- Samlaren
- Sanco - SM2IRZ
- SCS (Special Communications Systems)
- SM7TOG QSL Design & Printing
- Swedish Radio Supply
- Vanhoja radiokirjoja - Old radio books
- Wintel Finland Oy
- Yaesu Musen
- WiMo antennas etc
- RXTX-Tuote
