Clans and Guilds

Argonaught
Contains Avenging Knights members, ranks, philosophies, and favorite fighters, guild directory, and screen shots from Elena's Fortune.
http://www.iol.ie/~argonaught/

BNJ Heavy Spacework Industries
Includes alliances, fictional equipment sales catalog, fan fiction, mission notes, and gameplay hints, including notes on factories.
http://members.ozemail.com.au/~nekjevic/

Cartel Incorporated
Pirate guild, with ships, artwork, forum, member list, and FAQ.
http://error691.com/cartel/

Space Engineering Guild
Contains directives, artwork, politics, assets owned, and logo.
http://www.diplodocus.50megs.com/