| National Offices | ONECA Area I | ONECA Area II | ONECA Area III | ONECA Area IV | ||||
| National Office | Eta Alpha Lambda | Beta Sigma Lambda | Alpha Gamma | Alpha Kappa | ||||
| Eastern Region Office | Mu Phi | Kappa Delta | Epsilon Gamma Lambda | Theta Iota Lambda | ||||
| Alpha Net | Zeta | Sigma Zeta | Mu Theta Lambda | Theta Zeta | ||||
| Zeta Phi Lambda | Rho Nu | |||||||
| Sigma |