Several professional and special interest sororities conduct informal recruitment during January through March. These organizations are full members of the Panhellenic Association:

• Sigma Alpha - primarily School of Agriculture majors (some non-majors allowed)
• Phi Sigma Rho - Schools of Engineering and School of Technology majors
• Phi Beta Chi - Lutheran and general interest sorority
• Delta Phi Mu - Multicultural, latina, and general interest
• Sigma Lambda Gamma - Latina and general interest
• Sigma Delta Tau - Jewish background and general interest