ESSO
| Acronym | Definition |
|---|---|
| ESSO | Standard Oil |
| ESSO | Enterprise Single Sign-On |
| ESSO | Enterprise Single Sign on |
| ESSO | English Skills for Staff Officers |
| ESSO | Enterprise Software and Services Offering (IBM) |
| ESSO | Executive Support Staff Officer |
| ESSO | Eastern States Standard Oil (ExxonMobil) |
| ESSO | Every Saturday and Sunday Off (UK) |
| ESSO | Earth Science Support Office |
| ESSO | European Software Support Office |
| ESSO | Electronic Step by Step Office |
| ESSO | Exeter Social Services Organization |