| SCRAMS | Southeastern Connecticut Radio Amateur Mobile System |
| SECARS | Southeastern Connecticut Amateur Radio Society |
| ICRC | The Insurance City Repeater Club |
| Shoreline | Shoreline Amateur Radio Club |
| CTRI | Connecticut Rhode Island Contest Group |
| SPARC | Shore Point Amateur Radio Club |
| BEARS | Bethel Educational Amateur Radio Society |
| GNARC | Greater Norwalk Amateur Radio Club |
| Meriden | Meriden Amateur Radio Club |
| MARS/CARES | Middlesex Amateur Radio Society/Connecticut Amateur Radio Emergency Service |
| Stamford | Stamford Amateur Radio Association |
| Central CT | Central Connecticut Amateur Radio Club |
| Yale | Yale University ARC |