You can find out lots from the website for the National Pan-Hellenic Council homepage: http://www.nphc.org/
The women's sororities are:
Alpha Kappa Alpha
Delta Sigma Theta
Sigma Gamma Rho
Zeta Phi Beta

The men's fraternities are:
Alpha Phi Alpha
Kappa Alpha Psi
Omega Psi Phi
Phi Beta Sigma
Iota Phi Theta

All have links off of the http://www.nphc.org/
website. Happy Surfing!