Welcome Tau Colony Posted on September 18, 2019 The Epsilon Tau Pi National Executive Board is proud to announce our newest location at North Carolina State University. NCSU has an undergraduate population of over 25,000 students. Tau Colony will be the fifth location of Epsilon Tau Pi in the state of North Carolina. This is our second active expansion, and was spearheaded by our South Atlantic Regional Director, Daniel Nuttall.