| Symbol | Name | Country | Exchange |
|---|---|---|---|
| HAL | Halliburton Company | US | NYSE |
| SLB | Schlumberger N.V. | US | NYSE |
| ENQQF | Enteq Upstream Plc | US | OTC |
| HAL | Halliburton Co DRC | AR | BA |
| HAL | Halliburton Company | DE | F |
| UNIDT | UNITED DRILLING TOOLS LTD. | IN | BSE |
| NESRW | National Energy Services Reunited Corp | US | US |