| Chapter (Est.) | School |
|---|---|
| Alpha (1904) | University of Illinois at Urbana-Champaign |
| Beta (1913, 1906) | Purdue University |
| Gamma (1907) | Ohio State University |
| Delta (1909) | Illinois Institute of Technology |
| Epsilon (1909) | Pennsylvania State University |
| Zeta (1910) | Case Institute of Technology |
| Theta (1910) | University of Wisconsin |
| Iota | University of Missouri at Columbia |
| Kappa | Cornell University |
| Lambda | University of Pennsylvania |
| Mu | University of California at Berkeley |
| Nu | Iowa State University |
| Xi | Auburn University |
| Omicron | University of Minnesota |
| Pi | Oregon State University |
| Rho | University of Colorado at Boulder |
| Sigma | Carnegie Mellon University |
| Tau | University of Cincinnati |
| Upsilon | University of Southern California |
| Phi (1926) | Union College, New York |
| Chi | Lehigh University |
| Psi | University of Texas at Austin |
| Omega | Oklahoma State University |
| Beta Alpha | Drexel University |
| Beta Beta | Polytechnic I of NY |
| Beta Gamma | Michigan Technological University |
| Beta Delta (1937) | University of Pittsburgh |
| Beta Epsilon | University of Michigan |
| Beta Zeta | NYU (inactive) |
| Beta Eta | North Carolina State University |
| Beta Theta | Massachusetts Institute of Technology |
| Beta Iota | University of Iowa |
| Beta Kappa | Kansas State University |
| Beta Lambda | Virginia Polytechnic Institute and State University |
| Beta Mu | Georgia Institute of Technology |
| Beta Nu | Rensselaer Polytechnic Institute |
| Beta Xi | University of Oklahoma |
| Beta Omicron | Marquette University |
| Beta Pi | City College of New York |
| Beta Rho | West Virginia University |
| Beta Sigma | University of Detroit |
| Beta Tau (1948) | Northwestern University |
| Beta Upsilon | University of Kentucky |
| Beta Phi | University of Tennessee |
| Beta Chi | S Dakota School Mines |
| Beta Psi | University of Nebraska |
| Beta Omega | University of Connecticut |
| Gamma Alpha | Manhattan C |
| Gamma Beta | Northeastern University |
| Gamma Gamma | Clarkson University |
| Gamma Delta | Worchester Polytechnic University |
| Gamma Epsilon | Rutgers University |
| Gamma Zeta | Michigan State University |
| Gamma Eta | Syracuse University |
| Gamma Theta | University of Missouri at Rolla |
| Gamma Iota | University of Kansas |
| Gamma Kappa | New Jersey Institute of Technology, Newark College of Engineering |
| Gamma Lambda | Columbia University |
| Gamma Mu | Texas A & M University |
| Gamma Nu | Texas Tech University (Texas T C?) |
| Gamma Xi | University of Maryland at College Park |
| Gamma Omicron | Southern Methodist University |
| Gamma Pi | University of Virginia |
| Gamma Rho | South Dakota State University |
| Gamma Sigma | University of Utah |
| Gamma Tau | North Dakota State University |
| Gamma Upsilon | John Hopkins University |
| Gamma Phi | University of Arkansas |
| Gamma Chi | New Mexico State University |
| Gamma Psi | Lafayette College |
| Gamma Omega | Mississippi State University |
| Delta Alpha (1960) | Wayne State University |
| Delta Beta | Lamar S C of T |
| Delta Gamma | Louisiana Tech University |
| Delta Delta | University of Denver |
| Delta Epsilon | Ohio University |
| Delta Zeta | Washington University, St. Louis |
| Delta Eta | University of Massachusetts |
| Delta Theta | Pratt I Penn |
| Delta Iota | Louisiana State University |
| Delta Kappa | University of Maine |
| Delta Lambda | Duke University |
| Delta Mu | Villanova |
| Delta Nu | University of Alabama |
| Delta Xi | Air Force Institute of Technology |
| Delta Omicron | University of New Mexico |
| Delta Pi | Colorado State University |
| Delta Rho | University of North Dakota |
| Delta Sigma | Notre Dame University |
| Delta Tau | University of S.W. Lousiana |
| Delta Upsilon | Bradley University |
| Delta Phi | University of South Carolina |
| Delta Chi | The Cooper Union for the Advancement of Science and Art |
| Delta Psi | St. Louis University (inactive) |
| Delta Omega (1963) | University of Hawaii at Manoa |
| Epsilon Alpha | Cleveland State University |
| Epsilon Beta | Arizona State University |
| Epsilon Gamma | University of Toledo |
| Epsilon Delta | Tufts University |
| Epsilon Epsilon | University of Houston |
| Epsilon Zeta | Lowell T I |
| Epsilon Eta | Rose-Hulman Institute of Technology |
| Epsilon Theta | California State University at Long Beach |
| Epsilon Iota | California State University at San Jose |
| Epsilon Kappa | University of Miami |
| Epsilon Lambda | Vanderbilt University |
| Epsilon Mu | University of Texas at Arlington |
| Epsilon Nu | California State University at Los Angeles |
| Epsilon Xi | Wichita State University |
| Epsilon Omicron | University of Delaware |
| Epsilon Pi | Princeton University |
| Epsilon Rho | Tennessee Technological University |
| Epsilon Sigma | University of Florida |
| Epsilon Tau | University of California at Santa Barbara |
| Epsilon Upsilon | Tuskegee I |
| Epsilon Phi | California Polytechnic State University at San Luis Obispo |
| Epsilon Chi | University of Louisville |
| Epsilon Psi | University of California at Santa Clara |
| Epsilon Omega | University of Mississippi |
| Zeta Alpha | Monmouth University |
| Zeta Beta | Texas A & M University at Kingsville |
| Zeta Gamma | University of Rhode Island |
| Zeta Delta | University of Texas at El Paso |
| Zeta Epsilon | Florida Institute of Technology |
| Zeta Zeta | University of Akron |
| Zeta Eta | Brigham Young University |
| Zeta Theta | California State Polytechnic University, Pomona |
| Zeta Iota | Clemson University |
| Zeta Kappa | Tennessee State University |
| Zeta Lambda | Prairie View A & M C |
| Zeta Mu | Northrup I of T |
| Zeta Nu | University of Tulsa |
| Zeta Xi (1974) | University of Massachussetts at Dartmouth |
| Zeta Omicron | West Virginia University Institute of Technology |
| Zeta Pi | State University of New York at Buffalo |
| Zeta Rho | |
| Zeta Sigma | Polytechnic University |
| Zeta Tau | San Diego State University |
| Zeta Upsilon | Old Dominion University |
| Zeta Phi | |
| Zeta Chi | University of Central Florida |
| Zeta Psi | |
| Zeta Omega | University of California at Irvine |
| Theta Alpha | |
| Theta Beta | |
| Theta Gamma | |
| Theta Delta | |
| Theta Epsilon | |
| Theta Zeta | Univerity of Colorado |
| Theta Eta | |
| Theta Theta | |
| Theta Iota | George Washington University |
| Theta Kappa | California State University at Fresno |
| Theta Lambda | |
| Theta Mu | State University of New York at Stony Brook |
| Theta Nu | |
| Theta Xi | |
| Theta Omicron | Southern Illinois University at Edwardsville |
| Theta Pi | University of Missouri at Kansas City |
| Theta Rho | |
| Theta Sigma | |
| Theta Tau | University of Michigan at Dearborn |
| Theta Upsilon | |
| Theta Phi | |
| Theta Chi | |
| Theta Psi | University of Nevada at Reno |
| Theta Omega | Univerity of Pacific |
| Iota Alpha | |
| Iota Beta | |
| Iota Gamma | University of California at Los Angeles |
| Iota Delta | |
| Iota Epsilon | |
| Iota Zeta | California State University at Chico |
| Iota Eta | University of Dayton |
| Iota Theta | Portland State University |
| Iota Iota | |
| Iota Kappa | |
| Iota Lambda | |
| Iota Mu | |
| Iota Nu | Gannon University |
| Iota Xi (1988) | University of Arizona |
| Iota Omicron | |
| Iota Pi | |
| Iota Rho | |
| Iota Sigma | |
| Iota Tau | |
| Iota Upsilon (1989) | University of Washington |
| Iota Phi | United States Military Academy (West Point) |
| Iota Chi | |
| Iota Psi | |
| Iota Omega | |
| Kappa Alpha | Northern Illinois University |
| Kappa Beta (1991) | Wilkes University |
| Kappa Gamma | |
| Kappa Delta | |
| Kappa Epsilon | Binghamton University |
| Kappa Zeta | |
| Kappa Eta | |
| Kappa Theta (1994) | University of Wisconsin Platteville |
| Kappa Iota | |
| Kappa Kappa | University of Texas at Dallas |
| Kappa Lambda | University of Memphis |