Sororities affiliated with the NPC are Alpha Delta Pi (ADPi), Alpha Omicron Pi (AOPi), Alpha Phi (APhi), Chi Omega (Chi O), Delta Delta Delta (Tri Delta), Delta Gamma (DG), Kappa Alpha Theta (Theta), Kappa Delta (KD), Kappa Kappa Gamma (Kappa), Phi Mu and Pi Beta Phi (Pi Phi).