ΑΚΨ (Alpha Kappa Psi) is the oldest and largest professional business fraternity.  The Alpha Kappa Psi Fraternity was founded on October 5, 1904 at New York University, and was incorporated on May 20, 1905. It is currently headquartered in Indianapolis, Indiana.

 The Theta Kappa chapter of Alpha Kappa Psi was founded at Michigan Technological University on April 28, 1968.