[banditone]

Here are a few for Sigma Nu that I was able to track down:

University of Arkansas (Gamma Upsilon) - 50
Auburn University (Beta Theta) - 41
University of Iowa (Beta Mu) - 36
Florida State University (Zeta Zeta) - 35
University of Kansas (Nu) - 33
University of Colorado (Gamma Kappa) - 31
Louisiana State University (Phi) - 31
University of Georgia (Mu) - 27
South Carolina (Delta) - 27
UCLA (Epsilon Pi) - 27
Texas Tech (Zeta Pi) - 24
University of California Irvine (Lambda Omicron) - 24
Northern Illinois (Theta Eta) - 23
Birmingham-Southern University - 22
University of Tennessee (Epsilon Eta) - 18
Central Oklahoma (Mu Tau) - 16
Fresno State (Zeta Kappa) - 16
Mississippi State University (Iota Gamma colony) - 14