Chartered on February 29, 1964 at the University of Alabama in Tuscaloosa.

Chartered on September 20, 1947 at the University of Arizona in Tucson.

Chartered on December 18, 1891 at Stanford University in Palo Alto, features news, history, events, and member information.

Chartered on April 23, 1966 at California Polytechnic in San Luis Obispo, this site features information about rush, activities, members, as well as pictures.

Chartered on March 9, 1991 at the University of California at Irvine.

Chartered on February?17, 1996 at San Diego State University, this site features news, member and contact information, and an online board.

Chartered on December 4, 1914 at the University of Colorado in Boulder.

Chartered on May 20, 2000 at the Georgia Institute of Technology in Atlanta.

Chartered on February 27, 1999 at Southern Illinois University at Edwardsville.

Chartered on February 22, 2003 at the University of Illinois at Chicago, features history, events, and member information.

Chartered on October 9, 1993 at DePaul University in Chicago.

Chartered on January 24, 1865 at DePauw University in Greencastle.

Chartered on May 15, 1869 at Indiana University in Bloomington.

Chartered on June 5, 1901 at Purdue University in Lafayette.

Chartered on February 21, 1953 at Valparaiso University, this site features news, history and pictures.

Chartered on March 26, 1987 at Indiana State University in Terre Haute.

Chartered on December 2, 1870 at Wabash College in Crawfordsville. Features history, pictures, and information about members and service.

Chartered on May 1, 1971 at Butler University in Indianapolis.

Chartered on April 27, 1867 at the University of Iowa in Iowa City.

Chartered on April 24, 1993 at Loyola University in New Orleans.

Chartered on July 18, 1879 at Johns Hopkins University in Baltimore.

Chartered on April 20, 1991 at Brandeis University in Waltham.

Chartered on November 2, 1876 at the University of Michigan in Ann Arbor.

Chartered on November 7, 1954 at Michigan State University in Lansing.

Chartered at the University of Minnesota at Duluth, this site features fraternity, member and event information.

Chartered on May 10, 1969 at Minnesota State University in Mankato.

Chartered on November 1, 1857 at the University of Mississippi (Ole Miss)in Oxford.

Chartered on June 12, 1869 at the University of Missouri in Columbia.

Chartered on November 9, 1895 in Lincoln, this site features pictures, active and alumni member information, history, rush information, and the fraternity creed.

Chartered on November?13, 1965 at Creighton University in Omaha.

Chartered on April 21, 1990 at the College of New Jersey in Trenton.

Chartered on April 14, 2000 at Rowan University in Glassboro.

Chartered on January 1, 1869 at Cornell University in Ithaca, features current chapter news.

Chartered on November 11, 1950 at the University at Buffalo.

Chartered on April 17, 2004, site includes membership list, events, pictures, and contact information for the Phi Psis at Binghamton.

Chartered on April 25, 1992 at Rochester Institute of Technology.

Chartered on October 26, 1991 at East Carolina University in Greenville.

Chartered on January 12, 1860 at Ohio Wesleyan University in Delaware, features pictures, membership roster, and guestbook.

Chartered on May 14, 1866 at Wittenberg University in Springfield.

Chartered on January 28, 1880 at Ohio State University in Columbus.

Chartered on June 6, 1906 at Case-Western University in Cleveland. Rush information, photographs, history, and message board, as well as alumni news.

Chartered on October 21, 1950 at the University of Toledo.

Chartered on May 6, 1972 at Miami University in Oxford.

Chartered on April 16, 1966 at Ashland University.

Chartered on October 9, 1920 at the University of Oklahoma in Norman, this site features information about recruitment, chapter news, scholarship, events and members.

Chartered on February 21, 1948 at Oregon State University in Corvallis.

Founded on February 19, 1852 at Jefferson College in Canonsburg, the mother chapter is now at the successor host institution of Washington and Jefferson College in Washington, Pennsylvania. Features organization and contact information.

Chartered on May 8, 1855 at Allegheny College in Meadville, this site features chapter history, membership information, photo gallery and news.

Chartered on December 266, 1855 at Gettysburg College, this site features pictures, and information about members, athletics,and their creed.

Chartered on April 2, 1860 at Franklin and Marshall College in Lancaster, this site features history, member and event information, and photo album.

Chartered on June 26, 1855 at Bucknell University in Lewisburg.

Chartered on February 6, 1877 at the University of Pennsylvania in Philadelphia.

Chartered on October 11, 1912 at Pennsylvania State University in State College.

Chartered on February 7, 1970 at Indiana University of Pennsylvania.

Chartered on March 20, 2004 at Lycoming College in Williamsport. Features news, history, membership information, awards, and activities.

Chartered on May 2, 1989 at York College.

Chartered on March 15, 1869 at Lafayette College in Easton.

Chartered on January 26, 2002 at Drexel University in Philadelphia, this site features history, activities, pictures, and scholarship, member and rush information.

Chartered on May 4, 1985 at Edinboro University.

Chartered on March 19, 1859 at Dickinson College in Carlisle.

Chartered on February 28, 1902 at Brown University in Providence.

Chartered on October 7, 1901 at Vanderbilt University in Nashville, this site features contact information and basic facts.

Chartered on April 22, 1967 at the University of Tennessee in Knoxville.

Chartered on October 27, 1904 at the University of Texas in Austin.

Chartered on May 9, 1953 at Texas Technological University in Lubbock.

Chartered on April 6, 2002 at Stephen F. Austin State University in Nacogdoches, this site features member information, events and pictures.

Chartered on April 26, 1969 at Texas State University in San Marcos, this site features news, forums, photos, membership and organization information.

Chartered on March 2, 1855 at Washington and Lee University in Lexington, this site features photos, and information about members, rush, and social events.

Chartered on November 13, 1976 at Virginia Polytechnic Institute and State University in Blacksburg.

Chartered on May 23, 1890 at West Virginia University in Morgantown.

Chartered on December 15th, 1881 at Beloit College.