❖ Tau Chi – 1 December 1955 (via Monrovia Liberia)
❖ Theta Rho – 15 August 1962
❖ Zeta Xi – 15 August 1976
❖ Lambda Xi – 22 February 1977
❖ Pi Xi – 17 August 1977
❖ Lambda Beta Beta – 25 June 1982
❖ Nu Gamma Gamma – 7 December 1985
❖ Sigma Gamma Gamma – 28 February 1987
❖ Eta Iota Iota – 8 December 1990
❖ Zeta Lambda Lambda – 1 October
❖ Kappa Lambda Lambda – 9 August 2002
❖ Upsilon Lambda Lambda – 22 July 2004
❖ Alpha Delta Xi – 6 June 2008 (Inactive)
❖ Lambda Mu Mu – 6 February 2010
❖ Chi Mu Mu – 17 April 2012
❖ Alpha Epsilon eta – 27 March 2018
❖ Phi Gamma Gamma – 31 March 2018
❖ Chi Mu Nu – 1 December 2018
❖ Beta Nu Nu – 22 March 2019
❖ Delta Nu Nu – 9 December 2019
❖ Nu Nu Nu – 24 June 2021
❖ Zeta Xi Nu – 9 April 2024