| Club | Note |
| AGCW-DL (Activity Group CW) | #4050 |
| Croatian Digital Group (CDG) | #1060 |
| CWOPS | #2170 |
| European ROS Club (ERC) | #1578 |
| Feld Hell Club | #4745 |
| FT4 Digital Mode Club (FT4DMC) | #00666 |
| FT8 Digital Mode Club (FT8DMC) | #00005 |
| International Morse Preservation Society aka FISTS CW Club | #18890 |
| Mediterraneo DX Club (MDXC) | #714 |
| Russian Digital Radio Club | #699 |
| Straight Key Century Club (SKCC) | #15010 |
| UBA-Belgian Amateur Radio Society | |
| WCAG - World Castles Activity Group | #144 |
