Fort Smith Area Amateur Radio Club
- The Fort Smith Area Amateur Radio Club serves Amateur Radio Operators, and those interested in Amateur Radio in the River Valley area of Western Arkansas and Eastern Oklahoma.
RTKCC Redmond Top Key Contest Club
- Membership is made up from active radio amateurs living in and around Redmond, Washington. We are a relatively small informal club, with members who have wide ranging interests in our common hobby.
Texas Packet Radio Society
- TPRS invented TexNet, a network using a combination of wireline and wireless technology to link hams in most of the major population centers in Texas, Oklahoma, Arkansas, Missouri