The following alumni/ae organizations are members of the MIT AILG:
| Alpha Chi Omega |
| Alpha Delta Phi |
| Alpha Epsilon Phi |
| Alpha Epsilon Pi |
| Alpha Phi |
| Alpha Tau Omega |
| Beta Theta Pi |
| Chi Phi |
| Delta Kappa Epsilon |
| Delta Tau Delta |
| Delta Upsilon |
| Epsilon Theta |
| Fenway House |
| Kappa Alpha Theta |
| Kappa Sigma |
| Lambda Chi Alpha |
| Nu Delta |
| Number 6 Club |
| Phi Beta Epsilon |
| Phi Delta Theta |
| Phi Gamma Delta |
| Phi Kappa Sigma |
| Phi Kappa Theta |
| Phi Sigma Kappa |
| Pi Beta Phi |
| Pi Kappa Alpha |
| Pi Lambda Phi |
| pika |
| Sigma Alpha Epsilon |
| Sigma Chi |
| Sigma Kappa |
| Sigma Nu |
| Sigma Phi Epsilon |
| Student House |
| Tau Epsilon Phi |
| Theta Chi |
| Theta Delta Chi |
| Theta Xi |
| WILG |
| Zeta Beta Tau |
| Zeta Psi |
Not all members currently have undergraduate organizations on campus.
