Recruitment events started today at the University of Wisconsin - Madison. It looks like there's something every day from 9/11 through 9/21 ("dry recruitment"). The calendar can be found here:
http://uwgreek.com/calendar.html
just scroll down to "Interfraternity Council Fraternity Events"
Fraternities at UW Madison include:
Acacia
Alpha Delta Phi
Alpha Epsilon Pi
Alpha Gamma Rho
Beta Theta Pi
Chi Phi
Chi Psi
Delta Tau Delta
Delta Theta Sigma
Delta Upsilon
Kappa Sigma
Phi Kappa Tau
Pi Kappa Alpha
Pi Lambda Phi
Sigma Alpha Mu
Sigma Chi
Sigma Pi
Sigma Phi
Sigma Phi Epsilon
Theta Delta Chi
Triangle
Zeta Beta Tau
Zeta Psi