According to their website the following Panhellenic-member sororities are at Cornell:
* Alpha Chi Omega
* Alpha Epsilon Phi
* Alpha Omnicron Pi
* Alpha Phi
* Chi Omega
* Delta Delta Delta
* Delta Gamma
* Delta Phi Epsilon
* Kappa Alpha Theta
* Kappa Delta
* Kappa Kappa Gamma
* Pi Beta Phi
* Sigma Delta Tau
Hope that helps. For more info see:
http://www.dos.cornell.edu/dos/FSA/default.html
Jen