| Abbreviation | Definition |
|---|---|
| ENO | Eagles Nest Outfitters Inc. |
| ENOC | Emirates National Oil Company |
| ENRC | Eurasian Natural Resources Corporation |
| EO | Employee Ownership |
| EOA | Empress Of Asia |
| EOAC | Economic Opportunities Advancement Corporation |
| EOC | East Of Chicago Pizza Company |
| EOC | Eve of Creativity |
| EOCC | Eisen Oil China Corporation |
| EOCC | Employee Owned And Controlled Corporation |
| EOCC | Event Organizing Corporation of Canada |
| EOD | eBooks On Demand |
| EOE | Eve Of Extinction |
| EOI | Electrolytic Ozone Inc |
| EOI | Excellence Opto Inc |
| EOMC | Eastern Orthodox Management Corporation |
| EOPD | Eastern Orthodontics & Pediatric Dentistry |
| EORC | Eagle Oil Refining Company |
| EOS | End Of Season |
| EOS | Environmental Operating Solutions |