1. Alpha - Cornell University, chartered June 1, 1923 - Website
2. Beta - University of Illinois, chartered April 2, 1924
3. Gamma - Penn State University, chartered May 29, 1926 - Website
4. Delta - Michigan State University, chartered April 12, 1929
5. Epsilon - Ohio State University, chartered January 6, 1929 - Website
6. Zeta - Rutgers University, chartered November 16, 1933 - Website
7. Eta - Washington State University, chartered March 12, 1949
8. Theta - University of Maryland, chartered September 14, 1949
9. Iota - North Carolina State University, chartered February 15, 1957 - Website
10. Kappa - Virginia Polytechnic & State University, chartered June 1, 1968 - Website
11. Lambda - University of Minnesota, chartered May 28, 1968
12. Mu - University of Florida, chartered May 16, 1974
13. Nu - Auburn University, chartered May 30, 1974 - Website
14. Xi - New Mexico State University, chartered December 1, 1974 - Website
15. Omicron - Purdue University, chartered February 23, 1975 - Website
16. Pi - Clemson University, chartered April 17, 1975
17. Rho - University of Wisconsin-Madison, chartered March 1, 1975 - Website
18. Sigma - Southern Illinois University, chartered April 2, 1975 - Website
19. Tau - University of Georgia, chartered May 30, 1975 - Website
20. Upsilon - California Polytechnic State University, chartered September 1, 1975 - Website
21. Phi - South Dakota State University, chartered October 29, 1975 - Website
22. Chi - Colorado State University, chartered May 29, 1975 - Website
23. Psi - Texas A&M University, chartered May 31, 1978
24. Omega - Kansas State University, chartered March 16, 1979 - Website
25. Alpha Beta - University of Tennessee, chartered May 26, 1980 - Website
26. Alpha Gamma - University of Nebraska-Lincoln, chartered April 23, 1982 - Website
27. Alpha Delta - Oklahoma State University, chartered April 24, 1983 - Website
28. Alpha Epsilon - University of California-Davis, chartered Spring 1984
29. Alpha Zeta - University of Wisconsin-River Falls, chartered May 16, 1985
30. Alpha Eta - Delaware Valley College of Science & Agriculture, chartered Spring 1985
31. Alpha Theta - Iowa State University, chartered November 6, 1986 - Website
32. Alpha Iota - Texas Tech University, chartered March 24, 1988 - Website
33. Alpha Kappa - Mississippi State University, chartered Spring 1990
34. Alpha Lambda - Florida A&M University, chartered February 1, 1992
35. Alpha Mu - Temple University, chartered Spring 1992 - Website
36. Alpha Nu - Utah State University, chartered June 2, 1995
37. Alpha Xi - Texas State University-San Marcos, chartered April 18, 2005
38. Alpha Omicron - University of Arkansas, chartered May 2, 2006 - Website
39. Alpha Pi - University of Wisconsin-Platteville, chartered May 4, 2006 - Website
40. Alpha Rho - Oregon State University, chartered 2011 - Website
41. Alpha Sigma – University of Wyoming, chartered October 13, 2015
42. Alpha Tau – University of Maine, chartered September 21, 2015