Inter/national Organization Headquarters Contact Information

An inter/national organization is the body that oversees all the campus-based chapters for each individual fraternity or sorority.  If you have questions or concerns you would like to direct to the inter/national organization of a fraternity or sorority, please see the list below for contact information.

For local chapters' contacts click here

For Fraternity & Sorority Life Staff contact information click here.





Status Organization Location  Contact
Affiliated Alpha Chi Omega Indianapolis,  IN 317-579-5050
Affiliated Alpha Delta Phi Minneapolis,  MN 508-226-1832
Affiliated Alpha Delta Pi Atlanta,  GA 404-378-3164
Affiliated Alpha Epsilon Phi Danbury,  CT 203-748-0029
Unaffiliated Alpha Epsilon Pi Indianapolis,  IN 317-876-1913
Affiliated Alpha Gamma Delta Indianapolis,  IN 317-663-4200
Affiliated Alpha Kappa Alpha Sorority, Inc. Chicago,  IL 773-684-1282
Affiliated alpha Kappa Delta Phi   570-431-0126
Affiliated Alpha Omicron Pi Brentwood,  TN 615-370-0920
Affiliated Alpha Phi Evanston,  IL 847-475-0663
Affiliated Alpha Phi Alpha Fraternity, Inc. Baltimore,  MD 410-554-0040
Disaffiliated for Misconduct Alpha Sigma Phi Carmel,  IN 317-843-1911
Affiliated Alpha Tau Omega Indianapolis,  IN 317-684-1865
Affiliated Beta Theta Pi Oxford,  OH 800-800-BETA 
Affiliated Chi Omega Memphis,  TN 901-748-8600
Disafffiliated for Misconduct/No Active Chapter Chi Phi Suwanee,  GA 404-231-1834
Affiliated Chi Upsilon Sigma New York, NY www.justbecus.org
Unaffiliated Delta Chi Iowa City,  IA 319-337-4811
Affiliated Delta Delta Delta Dallas,  TX 817-633-8001
Affiliated Delta Gamma Columbus,  OH 614-481-8169
Disaffiliated for Misconduct Delta Kappa Epsilon Ann Arbor,  MI 734-302-4210
Affiliated Delta Phi Epsilon Philadelphia,  PA 215-732-5901
Affiliated Delta Sigma Phi Indianapolis,  IN 317-634-1899
Affiliated Delta Sigma Theta Sorority, Inc. Washington,  DC 202-986-2400
Affiliated Delta Tau Delta Fishers,  IN 317-284-0203
Affiliated Delta Tau Lambda Ann Arbor,  MI www.deltataulambda.org
Affiliated Delta Upsilon Indianapolis,  IN 317-875-8900 
Affiliated Gamma Phi Beta Centennial,  CO 303-799-1874
No Active Chapter Iota Phi Theta Fraternity, Inc. Baltimore,  MD 443-439-5691
Affiliated Kappa Alpha Psi Fraternity, Inc. Philadelphia,  PA 215-228-7184
Affiliated Kappa Delta Memphis,  TN 901-748-1897
Affiliated Kappa Kappa Gamma Dublin,  OH 614-228-6515
Affiliated Kappa Phi Lambda   www.kappaphilambda.org
Disaffiliated for Misconduct/No active Chapter Kappa Sigma Charlottesville,  VA 434-295-3193 
Affiliated Lambda Chi Alpha Carmel,  IN 317-872-8000
Disaffiliated for Misconduct/No active Chapter Lambda Phi Epsilon New Brunswick,  NJ 408-905-7443
Affiliated Lambda Theta Alpha   www.lambdalady.org
Affiliated Lambda Theta Phi Parsippany,  NJ 833-526-2327
Affiliated Omega Psi Phi Fraternity, Inc. Decatur,  GA 404-284-5533
Affiliated Phi Beta Sigma Fraternity, Inc. Washington,  DC 202-726-5434
Expanding Winter 2020 Phi Delta Theta Oxford,  OH 513-523-6345
Affiliated Phi Gamma Delta (FIJI) Lexington,  KY 859-255-1848
Affiliated Phi Iota Alpha Brooklyn, NY 614-434-6827
Affiliated Phi Kappa Psi Indianapolis,  IN 317-632-1852
Affiliated Phi Kappa Tau Oxford, OH 513-523-4193
Unaffilated Phi Sigma Kappa Indianapolis,  IN 317-573-5420
Affiliated Phi Sigma Rho Cincinnati,  OH www.phisigmarho.org
Affiliated Pi Alpha Phi    
Affiliated Pi Beta Phi Town & Country,  MO 636-256-0680
Affiliated Pi Kappa Alpha Memphis,  TN 901-748-1868
Unaffiliated  Pi Kappa Phi Charlotte,  NC 704-504-0888 
Affiliated Psi Upsilon Indianapolis,  IN 317-571-1833
Affiliated Sigma Chi Evanston,  IL 847-869-3655
Affiliated Sigma Delta Tau Carmel,  IN 317-846-7747
Affiliated Sigma Gamma Rho Sorority, Inc. Cary,  NC 919-678-9720
Affiliated Sigma Kappa Carmel,  IN 317-872-3275
Affiliated Sigma Lambda Beta North Liberty,  IA 319-242-7540
Affiliated Sigma Lambda Gamma North Liberty,  IA 319-774-5370
Affiliated Sigma Nu Lexington,  VA 540-463-1869 
No Active Chapter Sigma Phi Epsilon Richmond,  VA 804-823-9341
Unaffiliated Sigma Phi Society Tuscon,  AZ 919-448-4046
Affiliated Sigma Sigma Rho   http://sigmasigmarho.com/
Unaffiliated Theta Chi Carmel,  IN 317-848-1856
Affiliated Theta Delta Chi Boston,  MA 800-999-1847
Affiliated Theta Xi St. Louis,  MO 800-783-6294 
Affiliated Triangle Plainfield,  IN 317-837-9640
No Active Chapter Zeta Beta Tau Indianapolis,  IN 317-334-1898
Affiliated Zeta Phi Beta Sorority, Inc. Washington,  DC 202-387-3103
No Active Chapter Zeta Psi Pearl River,  NY 845-735-1847
Affiliated Zeta Tau Alpha Indianapolis,  IN 317-872-0540