- Interfraternity Council
- Multicultural Greek Council
- National Pan-Hellenic Council
- Panhellenic Council
Alpha Pi Omega
Gamma Chapter, Oklahoma State University
Multicultural Greek Council
Alpha Pi Omega Sorority, Inc. is the first historically American Indian sorority in the nation. Founded at the University of North Carolina at Chapel Hill on September 1, 1994, the sorority is spreading across the country. The chapter at Oklahoma State University was established in November 2002.