UKClan - Plays mostly Breakthrough Liberation. Roster and custom maps. - http://homepage.ntlworld.com/matt.southern/
OMIG - Roster, forum, image gallery, custom maps and mods, and server information. - http://www.omig.net/
The European Rangers [EURR] - Adult-only clan specializing in team objectives. Roster, rules, recruitment information, and match results. - http://www.eurr.co.uk/
420th Regiment - Contains rosters, match information and forums. - http://www.420th.com/
SS Elite Clan Germany - Features clan member information, mods, skins, screenshots and forums. [German/English] - http://www.plasmuseliteclan.bravepages.com/
KPAX - Includes roster, match information, downloads and links. - http://www.kpax.ndo.co.uk/