Unified Greek Council (UGC): is the governing council for the culturally based and multicultural fraternities and sororities at OSU, including chapters with Latino/a/x interest, Asian interest, and Native American membership interests. UGC Chapters are inclusive and you don’t have to identify with a specific cultural or racial identity to qualify for membership. UGC strives to connect our organizations and the local Corvallis and OSU community through academic, social, and service events.

National Pan-Hellenic Council (NPHC): or Divine Nine, is the governing council for the nine historically African American fraternities and sororities. NPHC chapters are inclusive, you aren’t required to identify with a specific racial identity to qualify for membership. NPHC fraternities & sororities do not accept students for membership until they have at least 12-24 college unit/credit hours with at least a 2.5 grade point average. However, transfer students are welcome to join at any time.

Collective Greek Council (CGC): is a governing council for Greek-lettered sororities with academic and interest-based membership. CGC has sororities that are engineering, art and design, math and science, and agricultural focused. If you are interested in a sorority connected to this council, please attend their Meet & Greet event to get information about their individual recruitment events.

Interfraternity Council (IFC): is the governing body for the traditionally-housed men's fraternities at Oregon State University. However, IFC does have several unhoused chapters apart of this council. Fraternities affiliated with the IFC participate in a summer and fall recruitment process in addition to recruiting informally year-round.

Panhellenic Council (PHC): is the governing body for the 11 traditionally housed sororities at OSU. PHC will host its annual fall formal recruitment process at the beginning of the fall term 2019. This is the only time throughout the school year where all PHC chapters will be accepting new members.