| Abbreviation | Definition |
|---|---|
| EEI | Editorial Eye, Inc. |
| EEI | Elma Electronic, Inc. |
| EEI | Energy Economics Inc |
| EEI | Engineered Equipment Inc |
| EEI | Enterprise Engineering Inc |
| EEIC | Engineer Equipment Instructor Company |
| EEIS | Elevating Equipment Inspection Service |
| EEIS | Engineering and Evaluation and Investigation Services |
| EEL | Equator Exploration Ltd |
| EEMC | Euro Egypt Metals Company |
| EEMS | Environmental and Emissions Monitoring System |
| EES | Environmental Energy Systems |
| EESI | Encompass Energy Services Inc |
| EESL | Energy Efficiency Services Ltd |
| EESL | Energy Efficient Services Ltd |
| EETL | Emerald Environmental Technologies Ltd |
| EFAC | Extinct Flightless Arts Collective |
| EFBW | Edward Fail Bradshaw Waterson |
| EFCI | Eagle Ford Consortium Inc |
| EFCL | Eastern Financial Corp |