Omicron Delta Epsilon is an international honor society for the field of economics. It was established on January 1,á 1963 with the merger of Omicron Delta Gamma and Omicron Chi Epsilon. Omicron Delta Gamma was established in 1915 at the University of Wisconsin and had 28 chapters in Midwestern and Pacific states. Omicron Chi Epsilon was founded in 1955 at City College of New York and had 28 chapters in Texas and along the East Coast .
In the following Omicron Delta Epsilon chapter list, active chapters are indicated in bold and inactive chapters and Institutions are in italics.“Chapter Role.” The American Economist, vol. 49, no. 1 (Spring 2005) pp. 94-104. via JSTOR 25604316. Accessed 31 July 2025.“Omicron Delta Epsilons Chapter Roll.” The American Economist, vol. 59, no. 1 (2014) pp. 102–15. via JSTOR, 43664769. Accessed 31 July 2025.