List of Triangle chapters

A list of the current and former chapters, colonies, and interest groups of Triangle Fraternity.

Chapters

Collegiate Chapters

Color key
— Active chapter   — Inactive chapter   — Recolonizing chapter

	School	Chapter	Date Installed	Years Active	Notes
1	University of Illinois at Urbana–Champaign	ill	April 15, 1907	1907–present	founding chapter
2	Purdue University	pur	April 8, 1909	1909–present
3	Ohio State University	os	February 2, 1911	1911–present
4	University of Wisconsin–Madison	wis	February 7, 1913	1913–present
5	University of Kentucky	ky	October 31, 1920	1920–1983, 2005–present
6	University of Cincinnati	cin	August 6, 1921	1921–2005, 2014–present
7	University of Iowa	ia	May 7, 1922	1922–1948
8	University of Minnesota	minn	October 29, 1922	1922–present
9	Illinois Institute of Technology	ar	May 26, 1923	1923–present	originally installed as Armour Institute of Technology
10	University of Missouri	mo	October 25, 1924	1924–1933
11	University of Michigan	mich	February 21, 1925	1925–1971, 1975–1995, 2007–present
12	University of Kansas	kan	January 8, 1927	1927–present
13	Missouri University of Science and Technology	mom	December 10, 1927	1927–present	originally installed as Missouri School of Mines
14	Pennsylvania State University	ps	March 3, 1928	1928–present
15	South Dakota School of Mines and Technology	sdm	September 27, 1930	1930–present
16	Northwestern University	nu	May 25, 1935	1935–1987
17	Marquette University	marq	April 24, 1937	1937–present
18	University of Louisville	lou	March 22, 1941	1941–present
19	Cornell University	cor	April 18, 1942	1942–1985
20	Michigan State University	msu	January 8, 1955	1955–present
21	Clarkson College	cl	November 16, 1957	1957–1970
22	University of California, Los Angeles	ucla	December 7, 1957	1957–present
23	University of Nebraska–Lincoln	neb	March 16, 1963	1963–2011
24	Iowa State University	is	April 25, 1964	1964–2011	recolonizing since 2013
25	Kansas State University	ks	September 7, 1964	1964–present
26	Oklahoma State University	oks	November 21, 1964	1964–1995
27	Milwaukee School of Engineering	msoe	January 23, 1965	1965–present
28	Rochester Institute of Technology	rit	February 4, 1967	1967–2010
29	Colorado State University	csu	May 27, 1967	1967–2006, 2012–present
30	Rose–Hulman Institute of Technology	rose	May 4, 1968	1968–present	largest active chapter
31	University of Colorado	colo	April 26, 1969	1969–1972
32	University of Pittsburgh	pitt	April 4, 1970	1970–2001, 2007–present
33	University of Wisconsin–Milwaukee	uwm	April 11, 1970	1970–present
34	University of Toledo	tol	May 22, 1971	1971–present
35	Mississippi State University	miss	November 11, 1972	1972–1987
36	University of Oklahoma	ok	November 18, 1979	1979–present
37	Virginia Polytechnic Institute	vpi	April 19, 1980	1980–1996
38	University of Connecticut	conn	March 27, 1982	1982–1998
39	University of Texas at Arlington	uta	September 27, 1986	1986–2000
40	Texas A&M University	tamu	April 9, 1988	1988–1999, 2007–2009
41	Michigan Technological University	mtu	April 16, 1988	1988–2006, 2012–present
42	Trine University	tsu	April 15, 1989	1989–2008	originally installed as Tri-State University
43	University of Akron	akr	November 2, 1991	1991–1997
44	Northern Illinois University	niu	October 9, 1993	1993–2006
45	University of Maryland, Baltimore County	umbc	June 4, 2005	2005–present
46	University of Houston	hou	April 19, 2008	2008–present
47	University of California, Berkeley	cal	April 24, 2010	2010–present
48	University of California, San Diego	ucsd	February 11, 2011	2011–present
49	University of North Carolina at Charlotte	char	April 30, 2011	2011–present
50	California State Polytechnic University, Pomona	cpp	May 7, 2011	2011–present
51	University of California, Irvine	uci	September 29, 2012	2012–present
52	Florida Atlantic University	fau	September 7, 2013	2013–present
53	Penn State Erie, The Behrend College	psb	February 28, 2015	2015–present
54	Virginia Commonwealth University	vcu	April 11, 2015	2015–present
55	University of Utah	utah	April 25, 2015	2015–present	possessors of Rattle III

The Rattle is kept by the youngest (baby) chapter, and passed to a newer chapter when chartered.

Colonies

School	Chapter	Years Active
Southern Illinois University	siu	1976–1981
University of Arizona	ariz	1977–1979
University of Maryland	md	1978–1980, 1998–2000
Mankato State University	mks	1988–1994
Tennessee Technological University	ttu	1988–1993
Wright State University	ws	1992–1996
University of Florida	fl	2005–2006
Carnegie Mellon University	cmu	2014–2015
Oregon State University	orst	2010–present
Clemson University	clem	2013–present
Georgia Institute of Technology	gt	2014–present

Interest Groups

The "Interest Group" category has been retired by the Fraternity, and has been folded into the "Colony" designation.

School	Chapter	Years Active	Notes
New Jersey Institute of Technology	njit	2012–2013
Massachusetts Institute of Technology			future expansion efforts being pursued

Statistics

New Chapters By Decade

Decade	Total	New Chapters
1907-1909	2
1910-1919	2
1920-1929	10
1930-1939	3
1940-1949	2
1950-1959	3
1960-1969	9
1970-1979	5
1980-1989	6
1990-1999	2
2000-2009	2
2010-2019	9

Chapters By Region

Region	Total	Chapters
Northeast	7
Midwest	27
South	13
West	8

The four regions of the United States

External links

• Triangle Fraternity — The Fraternity of Engineers, Architects, and Scientists