Lambda Pi chapter was founded at the University of Mississippi in Oxford, Mississippi on October 29, 2022.
Alpha chapter was founded at DePauw University in Greencastle, Indiana on October 15, 1885.
Alpha Beta chapter was founded at Purdue University in West Lafayette, Indiana on April 26, 1918.
Alpha Chi chapter was founded at Butler University in Indianapolis, Indiana on February 28, 1925.
Alpha Delta chapter was founded at University of Cincinnati in Cincinnati, Ohio on April 25, 1919. The chapter closed on August 10, 2001.
Alpha Epsilon chapter was founded at University of Pennsylvania in Philadelphia, Pennsylvania on May 9, 1919. The chapter closed on June 1, 1969 and was reopened on March 3, 1990. The chapter closed again on May 9, 2016.
Alpha Eta chapter was founded at University of Mount Union in Alliance, Ohio on June 11, 1920.
Alpha Gamma chapter was founded at The University of New Mexico in Albuquerque, New Mexico on June 6, 1918.
Alpha Iota chapter was founded at University of Vermont in Burlington, Vermont on June 14, 1921.
Alpha Kappa chapter was founded at University of Oregon in Eugene, Oregon on June 22, 1921.
Alpha Lambda chapter was founded at University of Minnesota in Minneapolis, Minnesota on September 30, 1921.
Alpha Mu chapter was founded at Indiana University in Bloomington, Indiana on April 21, 1922.
Alpha Nu chapter was founded at University of Missouri in Columbia, Missouri on August 25, 1922.
Alpha Omega chapter was founded at Birmingham-Southern College in Birmingham, Alabama on April 9, 1926.
Alpha Omicron chapter was founded at The Ohio State University in Columbus, Ohio on September 14, 1923.
Alpha Phi chapter was founded at The University of Texas at Austin in Austin, Texas on September 13, 1924.
Alpha Pi chapter was founded at University of North Dakota in Grand Forks, North Dakota on November 10, 1923. The chapter closed on May 1, 1938 and was reopened on February 17, 1968.
Alpha Psi chapter was founded at UCLA in Los Angeles, California on March 27, 1926. The chapter closed on October 3, 1996 and was reopened on November 14, 2009.
Alpha Rho chapter was founded at University of Idaho in Moscow, Idaho on May 9, 1924. The chapter closed on September 9, 1988.
Alpha Sigma chapter was founded at Ohio Wesleyan University in Delaware, Ohio on May 9, 1924. The chapter closed on February 28, 1977.