Recreation, Radio, Shortwave and DX Listening, DX and Radio Groups - Finnish DX Association. FDXA is the radio club in Finland and have mostly information in Finnish.
Recreation, Radio, Shortwave and DX Listening, DX and Radio Groups - British DX Club (BDXC-UK). For DX-ers interested in broadcast band DXing on shortwave, mediumwave and VHF/FM bands.
Recreation, Radio, Shortwave and DX Listening, DX and Radio Groups - The Medium Wave Circle. MWC is the only UK-based club specially for radio enthusiasts interested in medium wave and long wave radio.
Recreation, Radio, Shortwave and DX Listening, DX and Radio Groups - Worldwide Utility News. A web based club for sharing news and information about utility (non-broadcast) transmissions through the WUN listserver e-mail list.
Recreation, Radio, Shortwave and DX Listening, DX and Radio Groups - Hard-Core-DX.com. Comprehensive collection of DX listening resources from veteran DXer Risto Kotalampi includes breaking news and DX tips, Latin and Andean DX reports, Medium Wave DX, solar reports and antenna topics.