You can view a selection of guilds or clans and their sites here at Clanplanet. Some are already visible on the home page (blue link). The selection here is even more extensive and you can view more sites.

Rushing-Alliance	The German Navy Seals	Psycho Intelligence
German Death Angels	The Patriots	Advanced Recon Commando'
unknown Rivals	La Familia	The German Eagles
Legacy of Khaos	Division 300	No Self Kontrol
The German Dragons	The German Devils