Active Chapters & Colonies

Since 1907 Triangle has expanded from the University of Illinois to all corners of the United States. Check out where current chapters are and where new groups are forming. For chapter contact information and history click on the Chapter/Colony name.

Active Chapters

Date Installed



April 15, 1907 Illinois (ill) University of Illinois,
Champaign, Illinois
April 8, 1909 Purdue (pur) Purdue University,
West Lafayette, Indiana
February 2, 1911 Ohio State (os) The Ohio State University,
Columbus, Ohio
February 7, 1913 Wisconsin (wis) University of Wisconsin,
Madison, Wisconsin
October 31, 1920 Kentucky (ky) University of Kentucky,
Lexington, Kentucky
August 6, 1921 Cincinnati (cin) University of Cincinnati,
Cincinnati, Ohio
October 29, 1922 Minnesota (minn) University of Minnesota,
Minneapolis, Minnesota
May 26, 1923 Armour (ar) Illinois Institute of Technology,
Chicago, Illinois
February 21, 1925 Michigan (mich) University of Michigan,
Ann Arbor, Michigan
January 8, 1927 Kansas (kan) University of Kansas,
Lawrence, Kansas
December 10, 1927 Missouri Mines (mom) Missouri University of Science and Technology,
Rolla, Missouri
March 3, 1928 Penn State (ps) Pennsylvania State University,
State College, Pennsylvania
September 27, 1930 South Dakota Mines (sdm) South Dakota School of Mines and Technology,
Rapid City, South Dakota
April 24, 1937 Marquette (marq) Marquette University,
Milwaukee, Wisconsin
March 22, 1941 Louisville (lou) University of Louisville,
Louisville, Kentucky
January 8, 1955 Michigan State (msu) Michigan State University,
East Lansing, Michigan
December 7, 1957 UCLA (ucla) University of California, Los Angeles,
Los Angeles, California
April 25, 1964 Iowa State (is) Iowa State University,
(recolonizing chapter) Ames, Iowa
September 7, 1964 Kansas State (ks) Kansas State University,
Manhattan, Kansas
January 23, 1965 MSOE (msoe) Milwaukee School of Engineering,
Milwaukee, Wisconsin
May 27, 1967 Colorado State (csu) Colorado State University,
Fort Collins, Colorado
May 4, 1968 Rose Tech (rose) Rose-Hulman Institute of Technology,
Terre Haute, Indiana
April 4, 1970 Pitt (pitt) University of Pittsburgh,
Pittsburgh, Pennsylvania
April 11, 1970 UWM (uwm) University of Wisconsin,
Milwaukee, Wisconsin
May 22, 1971 Toledo (tol) University of Toledo,
Toledo, Ohio
November 18, 1979 Oklahoma (ok) University of Oklahoma,
Norman, Oklahoma
April 19, 1980 VPI (VPI) Virginia Polytechnic Institute,
(recolonizing chapter) Blacksburg, Virginia
April 16, 1988 Michigan Tech (mtu) Michigan Technological University,
Houghton, Michigan
June 4, 2005 UMBC (umbc) University of Maryland, Baltimore County,
Baltimore, Maryland
April 19, 2008 Houston (hou) University of Houston,
Houston, Texas
February 11, 2011 UCSD (ucsd) University of California, San Diego,
San Diego, California
April 30, 2011 Charlotte (char) University of North Carolina at Charlotte,
Charlotte, North Carolina
May 7, 2011 Cal Poly Pomona (cpp) California State Polytechnic University, Pomona,
Pomona, California
September 29, 2012 UCI (uci) University of California, Irvine,
Irvine, California
September 7, 2013 Florida Atlantic (fau) Florida Atlantic University,
Boca Raton, Florida
February 28, 2015 Penn State Behrend (psb) Penn State Erie, The Behrend College,
Erie, Pennsylvania
April 11, 2015 Virginia Commonwealth (vcu) Virginia Commonwealth University,
Richmond, Virginia
April 25, 2015 Utah (utah) University of Utah
Salt Lake City, Utah
April 8, 2017 Clemson (clem) Clemson University
Clemson, South Carolina


Active Colonies & Interest Groups




2013 – present Iowa State (is) Iowa State University,
Ames, Iowa
2014 – present Georgia Tech (gt) Georgia Institute of Technology
Atlanta, Ga
Colonization in process Virginia Polytechnic Institute (VPI) Virginia Polytechnic Institute
Blacksburg, Virginia
Colonization in process Arizona State University (asu) Arizona State University
Tempe, AZ