Triangle is an engineering fraternity that was established at the University of Illinois in 1907.[1]

Chapters

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In the following list, active chapters are indicated in bold and inactive chapters are indicated in italics.[1][2][3][4]

  1. ^ Chapter formed from the Transit Club, established in 1908.
  2. ^ Chapter formed from the Transit Club, established in 1907.
  3. ^ Chapter formed from the Civil Engineers Club, established in 1912.
  4. ^ Chapter formed from the Kentucky Engineers Club, established in 1920. After going dormant, it reformed as a colony in 2004.
  5. ^ Chapter formed from the Civil Engineer Men, established in 1920. After going dormant, it reformed as a colony in 2010.
  6. ^ Chapter formed from the S.R.S. Club.
  7. ^ Chapter formed from Chi Sigma Tau, established in 1921.
  8. ^ Chapter formed from Scroll & Triangle, established in 1921 at the Armour Institute of Technology. Armour later became the Illinois Institute of Technology.
  9. ^ Chapter formed from Alpha Epsilon Rho.
  10. ^ Chapter formed from Quad L, established in 1924.
  11. ^ Chapter formed from Gamma Epsilon.
  12. ^ Chapter formed from the Grubstakers Club, established in 1902, at the Missouri School of Mines. The School of Mines later became the Missouri University of Science and Technology.
  13. ^ Chapter formed from Sigma Epsilon, established in 1925.
  14. ^ Chapter formed from Phi Kappa Phi, established in 1921.
  15. ^ Chapter formed from Kappa Phi Gamma, established in 1926.
  16. ^ Chapter formed from Gamma Theta Pi, established in 1922.
  17. ^ Chapter formed from the Pyramid Club, established in 1926.
  18. ^ Chapter formed from C.E.M., a local fraternity.
  19. ^ Chapter formed from the Triangle Club, established in 1953.
  20. ^ Chapter formed from the Triangle Club, established in 1956.
  21. ^ Chapter formed from Delta Alpha Epsilon, established in 1964.
  22. ^ Chapter formed by absorbing Sigma Delta Omega, established in 1956.
  23. ^ Chapter formed from Nu Pi, established in 1981, at Tri-State University. Tri-State later became Trine University.

Statistics

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New chapters by decade

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Chapters by region

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References

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  1. ^ a b Shepardson, Francis W., ed. (1927). Baird's Manual of American College Fraternities (11th ed.). Menasha, Wisconsin: George Banta Publishing Company. p. 233 – via Google Books.
  2. ^ "Active Chapters & Colonies". Triangle Fraternity. 2015. Retrieved May 10, 2015.
  3. ^ Lurding, Carroll and Becque, Fran. (May 2, 2023) "Triange". Almanac of Fraternities and Sororities. Urbana: University of Illinois. Accessed June 12, 2023.
  4. ^ "Our Chapters". Triangle Fraternity. Retrieved June 12, 2023.
  5. ^ "Triangle | Fraternity & Sorority Life". University of Colorado Boulder. Retrieved November 18, 2025.
  6. ^ "Triangle Fraternity- Virginia Tech Colony". fsl.vt.edu. Retrieved June 12, 2023.
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