Delta Sigma Phi is a fraternity which has had a chapter house on the University of Michigan campus.

http://deltasig.org

In the news

The fraternity lost its charter for failing to comply with the national organizatin's policy on responsibility and accountability, Jon Hockman, executive director of Delta Sigma Phi's national organization. The policy prohibits alcohol use at the fraternity's house, hazing of new members and requires chapters to maintain or improve their average grade point average each semester, among other regulations.