Purdue undergraduate organizations:

• Purdue Panhellenic Association
  Mail: Stewart Center, Box 506  Phone: 765.494.2712 
• Purdue Interfraternity Council
  Mail: Stewart Center, Box 504  Phone: 765.494.2717
• Purdue National Pan-Hellenic Council (formerly Black Greek Council)
• Purdue Multicultural Greek Council
• Order of Omega
  Theta Gamma Chapter, National Greek Leadership and Scholarship Honorary
• Gamma Sigma Alpha
  National Greek Scholastic Honorary
• Skull & Crescent Sophomore Greek Leadership Honorary
• Greek InterVarsity

Across North America:

• Mid-American Greek Council Association (MGCA)
• The National Order of Omega
• Gamma Sigma Alpha Greek Scholastic Honorary
• Alcohol-Free Housing Alliance
• Fraternal Information & Programming Group (FIPG)
• North-American Interfraternity Conference, Inc.(NIC)
• National Panhellenic Conference, Inc.(NPC)
• National Pan-Hellenic Council, Inc.(NPHC National organization)
• National Association of Latino Fraternal Organizations, Inc.
• Professional Fraternity Association, Inc.
• Association of Fraternity Advisors, Inc.(AFA)
• Center for the Study of the College Fraternity
  (at Indiana University)