Super Groups

The Black Hounds
Union server. Features a forum, pictures, and team info.
http://www.blackhounds.bravehost.com/

The Dark Defenders
Defiant server. Includes super group history, costume information, members and a forum.
http://thedarkdefenders.pwp.blueyonder.co.uk/

Eternals
Features forums, a roster, and a schedule of events. Also presents image galleries.
http://www.coheternals.com/

Heroes United
Member profiles and forum.
http://worldwebs.nl/heroes-united/

Mixed Nuts
Includes a forum and screenshots.
http://mixednutteam.com/

Paragon City Detective Agency
Delivers updates on the game, tips for players and opinions on recent updates and in-game events.
http://www.pcda.us/

Paragonian Knights
Virtue and Victory servers. Features screenshots and how to join information.
http://www.guildportal.com/Guild.aspx?GuildID=30032&TabID=269178

Sparkle Motion
Presents a forum, monthly interviews with characters, and a roster.
http://www.guildportal.com/Guild.aspx?GuildID=19882&TabID=180729