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.
For current information regarding local chapter statuses - click here
| Organization | Location | Contact |
| Alpha Chi Omega | Indianapolis, IN | 317-579-5050 |
| Alpha Delta Phi | Minneapolis, MN | 508-226-1832 |
| Alpha Delta Pi | Atlanta, GA | 404-378-3164 |
| Alpha Epsilon Phi | Danbury, CT | 203-748-0029 |
| Alpha Epsilon Pi | Indianapolis, IN | 317-876-1913 |
| Alpha Gamma Delta | Indianapolis, IN | 317-663-4200 |
| Alpha Kappa Alpha Sorority, Inc. | Chicago, IL | 773-684-1282 |
| alpha Kappa Delta Phi | 570-431-0126 | |
| Alpha Omicron Pi | Brentwood, TN | 615-370-0920 |
| Alpha Phi | Evanston, IL | 847-475-0663 |
| Alpha Phi Alpha Fraternity, Inc. | Baltimore, MD | 410-554-0040 |
| Alpha Sigma Phi | Carmel, IN | 317-843-1911 |
| Alpha Tau Omega | Indianapolis, IN | 317-684-1865 |
| Beta Theta Pi | Oxford, OH | 800-800-BETA |
| Chi Omega | Memphis, TN | 901-748-8600 |
| Chi Phi | Suwanee, GA | 404-231-1834 |
| Chi Upsilon Sigma | New York, NY | www.justbecus.org |
| Delta Chi | Iowa City, IA | 319-337-4811 |
| Delta Delta Delta | Dallas, TX | 817-633-8001 |
| Delta Gamma | Columbus, OH | 614-481-8169 |
| Delta Kappa Epsilon | Ann Arbor, MI | 734-302-4210 |
| Delta Phi Epsilon | Philadelphia, PA | 215-732-5901 |
| Delta Sigma Phi | Indianapolis, IN | 317-634-1899 |
| Delta Sigma Theta Sorority, Inc. | Washington, DC | 202-986-2400 |
| Delta Tau Delta | Fishers, IN | 317-284-0203 |
| Delta Tau Lambda | Ann Arbor, MI | www.deltataulambda.org |
| Delta Upsilon | Indianapolis, IN | 317-875-8900 |
| Gamma Phi Beta | Centennial, CO | 303-799-1874 |
| Iota Phi Theta Fraternity, Inc. | Baltimore, MD | 443-439-5691 |
| Kappa Alpha Psi Fraternity, Inc. | Philadelphia, PA | 215-228-7184 |
| Kappa Delta | Memphis, TN | 901-748-1897 |
| Kappa Kappa Gamma | Dublin, OH | 614-228-6515 |
| Kappa Phi Lambda | www.kappaphilambda.org | |
| Kappa Sigma | Charlottesville, VA | 434-295-3193 |
| Lambda Chi Alpha | Carmel, IN | 317-872-8000 |
| Lambda Phi Epsilon | New Brunswick, NJ | 408-905-7443 |
| Lambda Theta Alpha | www.lambdalady.org | |
| Lambda Theta Phi | Parsippany, NJ | 833-526-2327 |
| Omega Psi Phi Fraternity, Inc. | Decatur, GA | 404-284-5533 |
| Phi Beta Sigma Fraternity, Inc. | Washington, DC | 202-726-5434 |
| Phi Delta Theta | Oxford, OH | 513-523-6345 |
| Phi Gamma Delta (FIJI) | Lexington, KY | 859-255-1848 |
| Phi Iota Alpha | Brooklyn, NY | 614-434-6827 |
| Phi Kappa Psi | Indianapolis, IN | 317-632-1852 |
| Phi Kappa Tau | Oxford, OH | 513-523-4193 |
| Phi Sigma Kappa | Indianapolis, IN | 317-573-5420 |
| Phi Sigma Rho | Cincinnati, OH | www.phisigmarho.org |
| Pi Alpha Phi | ||
| Pi Beta Phi | Town & Country, MO | 636-256-0680 |
| Pi Kappa Alpha | Memphis, TN | 901-748-1868 |
| Pi Kappa Phi | Charlotte, NC | 704-504-0888 |
| Psi Upsilon | Indianapolis, IN | 317-571-1833 |
| Sigma Chi | Evanston, IL | 847-869-3655 |
| Sigma Delta Tau | Carmel, IN | 317-846-7747 |
| Sigma Gamma Rho Sorority, Inc. | Cary, NC | 919-678-9720 |
| Sigma Kappa | Carmel, IN | 317-872-3275 |
| Sigma Lambda Beta | North Liberty, IA | 319-242-7540 |
| Sigma Lambda Gamma | North Liberty, IA | 319-774-5370 |
| Sigma Nu | Lexington, VA | 540-463-1869 |
| Sigma Phi Epsilon | Richmond, VA | 804-823-9341 |
| Sigma Phi Society | Tuscon, AZ | 919-448-4046 |
| Sigma Sigma Rho | http://sigmasigmarho.com/ | |
| Theta Chi | Carmel, IN | 317-848-1856 |
| Theta Delta Chi | Boston, MA | 800-999-1847 |
| Theta Xi | St. Louis, MO | 800-783-6294 |
| Triangle | Plainfield, IN | 317-837-9640 |
| Zeta Beta Tau | Indianapolis, IN | 317-334-1898 |
| Zeta Phi Beta Sorority, Inc. | Washington, DC | 202-387-3103 |
| Zeta Psi | Pearl River, NY | 845-735-1847 |
| Zeta Tau Alpha | Indianapolis, IN | 317-872-0540 |