Alpha Phi Omega and Omicron Delta Kappa. Alpha Phi, Chi Omega, and Kappa Alpha Theta. Alpha Kappa Psi, Alpha Phi Omega, and Kappa Kappa Psi. Gamma Sigma Alpha and Order of Omega. Beta Phi and Alpha Tau Omega were chartered. Sororities without houses include Alpha Chi Omega and Epsilon Phi. Omega Speedmaster is a line of chronograph wristwatches produced by Omega SA. Hoffa is a member of Alpha Tau Omega. He is a member of Alpha Tau Omega fraternity. He was also a member of Alpha Tau Omega fraternity. He was also a brother of the Alpha Tau Omega fraternity. She was a member of the Alpha Chi Omega sorority. He was a member of the Alpha Tau Omega fraternity. While there he became a member of the Alpha Tau Omega fraternity. While there, he was a member of the Alpha Tau Omega fraternity.