At Mizzou we have these fraternities:
Alpha Epsilon Pi
Alpha Gamma Sigma
Alpha Gamma Rho
Alpha Kappa Lambda
Alpha Tau Omega
Beta Sigma Psi
Beta Theta Pi
Delta Chi
Delta Sigma Phi
Delta Tau Delta
Delta Upsilon
Farmhouse
Kappa Alpha
Kappa Sigma
Lambda Chi Alpha (a colony)
Phi Delta Theta
FIJI
Phi Kappa Theta
Pi Kappa Alpha
Phi Kappa Psi
Sigma Alpha Epsilon
Sigma Chi
Sigma Nu
Sigma Pi
Sigma Phi Epsilon
Sigm Tau Gamma ( colony)
The sororities we have are:
Alpha Chi Omega
Alpha Delta Pi
Alpha Phi
Chi Omega
Delta Delta Delta
Delta Gamma
Gamma Phi Beta
Kppa Alpha Theta
Kappa Delta
Kappa Kappa Gamma
Pi Beta Phi
Phi Mu
Sigma Kappa
Zeta Tau Alpha
So I guess that makes 14 sororities and 27 fraternities. For most of events, we are in triads, 2 fraternities and 1 sorority. Most of these houses are big houses so there are always lots more boys than girls, which is fun!
There are also a bunch of other orgs. but I couldn't find a list of them anywhere!