Pi Kappa Sigma (ΠΚΣ or Pi Kap) was a national collegiate sorority operating in the United States from November 17, 1894, until it was absorbed by Sigma...

Sigma Kappa (ΣΚ, also known as SK or Sig Kap) is a sorority founded on November 9, 1874 at Colby College in Waterville, Maine. The sorority has initiated...

In 1934, the Phi Sigma Pi began negotiating a merger with Kappa Phi Kappa, a larger educational fraternity. At the time, Phi Sigma Pi had 18 chapters and...

Sigma Pi (ΣΠ) is a collegiate fraternity with 232 chapters at American universities. As of 2021, the fraternity had more than 5,000 undergraduate members...

1917, Pi Kappa Sigma and Delta Sigma Epsilon joined the association, followed by Theta Sigma Upsilon in 1925, Alpha Sigma Tau in 1926, and Pi Delta Theta...

Sigma Pi Phi (ΣΠΦ), also known as The Boulé, is an African American professional fraternity. Founded in Philadelphia, Pennsylvania, in 1904, it is arguably...

Pi Kappa Alpha is a North American collegiate social fraternity founded at the University of Virginia in 1868. In the following list of chapters, active...

Kappa Sigma (ΚΣ), commonly known as Kappa Sig or KSig, is an American collegiate social fraternity founded at the University of Virginia in 1869. Kappa...

Pi Kappa Phi (ΠΚΦ), commonly known as Pi Kapp(s), is an American Greek Letter secret and social fraternity. It was founded by Andrew Alexander Kroeg Jr...

Epsilon Pi. Formerly a member of NIC. Originally a secret society. Merged with Lambda Chi Alpha. Merged to create Phi Kappa Theta. Merged with Sigma Phi Epsilon...