sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| English Skills for Staff Officers | **** |
| Employee Self Service Online | *** |
| Eastman School Symphony Orchestra | *** |
| Earth System Science Office | *** |
| Edinburgh Secondary Schools Orchestra | *** |
| Economic and Social Statistics Office | *** |
| ENVIRONMENTAL SCIENCE STUDENT ORGANIZATION | ** |
| Early Steps State Office | ** |
| European Society for Surgical Oncology | ** |
| East Side Service Organization | ** |
| ethnic studies student organization | ** |
| Environmental Sciences Student Organization | ** |
| Easter Seal Society Ontario | ** |
| Exeter Social Service Organization | ** |
| Eastern States Speleological Organization | * |
| Executive Staff Support Officer | * |