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Region 1
Alaska, Arizona, California, Hawaii, Idaho, Nevada, Oregon, Utah, Washington
- Kappa – California Polytechnic State University
- Lambda – University of California – Davis
- Xi – Oregon State University
- Alpha Iota – University of California – Chico
- Alpha Rho – University of Arizona
- Alpha Phi – California State University – Fresno
- Beta Epsilon – University of Idaho
Region 2
Iowa, Minnesota, Montana, North Dakota, South Dakota, Wisconsin
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Delta – Iowa State University
- Upsilon – North Dakota State University
- Omega – South Dakota State University
- Alpha Tau – University of Wisconsin – Madison
- Beta Delta – University of Wisconsin – Platteville
- Beta Zeta – University of Wisconsin – River Falls
Region 3
Colorado, Kansas, Missouri, Nebraska, Wyoming
- Nu – Colorado State University
- Omicron – Truman State University
- Alpha Beta – Northwest Missouri State University
- Alpha Delta - University of Nebraska - Lincoln
- Alpha Epsilon – University of Wyoming
- Alpha Xi – Missouri State University
- Alpha Chi – University of Missouri – Columbia
- Alpha Omega – Kansas State University
Region 4
Arkansas, Louisiana, New Mexico, Oklahoma, Texas
- Zeta – Louisiana State University
- Iota – University of Arkansas
- Rho – Texas Tech University
- Alpha Zeta – Tarleton State University
- Alpha Eta – Stephen F. Austin State University
- Alpha Pi – Texas A&M University
Region 5
Illinois, Indiana, Michigan, Ohio
- Alpha – The Ohio State University
- Beta – Purdue University
- Gamma – Michigan State University
- Sigma – Western Illinois University
- Alpha Gamma – Southern Illinois University
- Alpha Mu – University of Illinois
Region 6
Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont
- Epsilon – Pennsylvania State University
- Eta – University of Connecticut
- Alpha Kappa – University of Delaware
- Alpha Lambda – Delaware Valley College
- Alpha Psi – Cornell University
- Beta Alpha – University of Maryland – College Park
- Beta Kappa – University of New Hampshire
- Beta Lambda - University of Rhode Island
Region 7
Kentucky, North Carolina, Tennessee, Virginia, West Virginia
- Theta – University of Tennessee
- Pi – Virginia Polytechnic Institute & University
- Chi – West Virginia University
- Psi – Middle Tennessee State University
- Alpha Theta – North Carolina State University
- Alpha Upsilon – Murray State University
- Beta Theta – University of Tennessee – Martin
Region 8
Alabama, Florida, Georgia, Mississippi, Puerto Rico, South Carolina
- Tau – Clemson University
- Alpha Omicron – University of Georgia
- Beta Gamma – University of Florida
- Beta Eta – Auburn University
- Beta Iota – Florida Southern College
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