As of May 17, alumni/ae from these houses have RSVP'd

Alpha Delta Phi
Alpha Episilon Phi
Alpha Phi
Beta Theta Pi
Beta Theta Pi
Chi Phi
Delta Tau Delta
Epsilon Theta
Kappa Alpha Theta
Kappa Alpha Theta
Kappa Sigma
Lambda Chi Alpha
Phi Delta Theta
Phi Kappa Theta
Sigma Alpha Epsilon
Sigma Kappa
Sigma Nu
Sigma Phi Epsilon
Student House
Tau Epsilon Phi
Tau Epsilon Phi
Theta Chi
Theta Tau
Theta Tau
Theta Xi
WILG
Zeta Beta Tau

As of May 17, students from these houses have RSVP's

Alpha Delta Phi
Lambda Chi Alpha
Phi Delta Theta
Phi Kappa Theta
Sigma Kappa
Tau Epsilon Phi