These are the IFC and NPC GLO's listed on UCSD's Greek Life website:
IFC:
Alpha Epsilon Pi
Pi Kappa Alpha
Sigma Alpha Epsilon
Sigma Alpha Mu
Sigma Nu
Sigma Phi Epsilon
Sigma Chi
Tau Kappa Epsilon
FIJI
NPC:
Alpha Epsilon Phi
Alpha Chi Omega
Delta Delta Delta
Kappa Kappa Gamma
Kappa Alpha Theta
Sigma Kappa
Chi Omega
Delta Gamma
Pi Beta Phi
Here's the websites for the two councils:
Panhellenic:
http://acs.ucsd.edu/~panhell/
IFC:
http://acs.ucsd.edu/~ifc/