| Abbreviation | Definition |
|---|---|
| ENF | Enbridge Income Fund Holdings Incorporated |
| ENI | Energy Income Fund |
| EOS | EnerVest Energy and Oil Sands Total Return Trust |
| EPS | Epsilon Energy Ltd. |
| EQI | Equity Financial Holdings Inc. |
| EQI | Equity Financial Holdings Incorporated |
| EQN | Equinox Minerals Limited |
| EQU | Equal Energy Ltd. |
| EQU | Equal Energy LTD. (de-listed) |
| EQU | Equal Energy LTD. (de-listed) |
| ER | Eastmain Resources Inc. |
| ER | Eastmain Resources Incorporated |
| ERD | Erdene Resource Development Corporation |
| ERF | Enerplus Resources Fund |
| ERO | iPath Euro/US Dollar Exchange Rate Exchange Traded Notes |
| ES | Energy Split Corp. Inc. |
| ES | Energy Split Corporation, Incorporated |
| ESI | Ensign Energy Services Inc. |
| ESI | Ensign Energy Services Incorporated |
| ESL | Enghouse Systems Limited |