Squadrons

Brotherhood of the Stone
Offers news, roster, forum, screenshots, and downloads of modifications.
http://www.jgcentral.net/brotherhood/

New Dawn - Conflux War Command
Contains maps, tools, tips, and resources to assist fighting Conflux, with squad news and forum.
http://www.confluxwar.net/

OEC
Includes aims, history, politics, press statements, command structure, forum, and pilot awards.
http://oec.oesm.org/

SOL Navy
Includes roster, rules, policies, command structure, and forum.
http://www.gameslapper.com/jgsquad/

United Kingdom Mercenaries
Includes members, ship configurations, aims, roster, and fan fiction.
http://www.btinternet.com/~aelgas/JG_index.htm

United Mining Exploration Commission
Forums.
http://umec.oesm.org/phpBB/