Amateur and Ham Radio
| Atlanta ATV | |
| British Amateur Television Club (BATC) | |
| WWW Gateway to Buffalo Callsign Server | |
| Uncle Jim`s CB Radio Page | |
| Alexandria Radio Club | |
| Anne Arundel Radio Club | |
| Atlanta Ham Radio | |
| Baltimore Radio Amateur Television Society | |
| CEPT Amateur Radio Club (5P1ER) | |
| Carroll County Amateur Radio Club (CCARC) | |
| Clear Lake Amateur Radio Club (CLARC) - Houston, TX | |
| Colorado State University | |
| Condor Connection | |
| Conejo Valley Amateur Radio Club | |
| Cuyahoga Amateur Radio Society | |
| Delmarva Amateur Radio Club | |
| Homestead High School Amateur Radio Club | |
| Hong Kong Amateur Radio Transmitting Society | |
| IW4CMS Amateur Radio in Ravenna | |
| International Amateur Radio Union | |
| Loma Linda University Amateur Radio Club, W6FZV | |
| McKinney Amateur Radio Club | |
| Michigan State University Amateur Radio Club (MSUARC - W8SH) | |
| New Zealand Association of Radio Transmitters | |
| North Fulton Amateur Radio League | |
| Orange County Amateur Radio Club (W6ZE) | |
| Pikes Peak Radio Amateur Association | |
| San Fernando Valley Amateur Radio Club | |
| Santa Barbara Amateur Radio Club | |
| Singapore Amateur Radio Transmitting Society (SARTS) | |
| Temple Amateur Radio Club | |
| TriCounty Amateur Radio Club of North Texas | |
| Tucson Amateur Packet Radio (TAPR) | |
| Tír Conaill Amateur Radio Society | |
| University of Arkansas at Little Rock - Amateur Radio Club | |
| University of Delaware Amateur Radio Club WA3GAY | |
| W1YK - Worcester Polytechnic Institute Wireless Club | |
| W2AEE - Columbia University | |
| W2SZ - Rensselaer Polytechnic Institute | |
| W4DFU - University of Florida Gator Amateur Radio Club | |
| W6BHZ - Cal Poly Amateur Radio Club | |
| W6YX - Stanford University | |
| W7YH Amateur Radio Fraternity Alpha Chapter | |
| WØSV St Cloud Amateur Radio Club | |
| Yankee Clipper Contest Club | |
| Eastern Ontario Amateur Radio Club | |
| Hart House Amateur Radio Club (VE3UOT) | |
| Kingston Amateur Radio Club | |
| Laser - Club Radio-Amateur Amos-Région - Principale | |
| Malaspina College Amateur Radio Society | |
| West Island Amateur Radio Club Inc. | |