Unknown to each other, Alpha Gamma Sigma at Columbia, Missouri and Tau Gamma Phi at Columbus, Ohio grew to be among the strongest fraternities on their respective campuses. Each had opportunities to affiliate with national fraternities but the members of these two chapters believed that their ideals were high enough to form the foundation of a new and unique organization. In March, 1931, members and alumni of Tau Gamma Phi met with members of Alpha Gamma Sigma at Columbia, and worked out a plan for joining the two groups in what now constitutes the National Chapter.