| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ESVIF | Ensign Energy Svcs | US | OTC |
| ESI | Ensign Energy Services Inc. | CA | TSX |
| 5O7 | TOTAL ENERGY SERVS INC. | DE | F |
| ESI | Ensign Energy Services Inc | CA | TO |
| TOT | Total Energy Services Inc. | CA | TO |
| WRG | Western Energy Services Corp. | CA | TO |
| SDI | Stampede Drilling Inc | CA | V |