| Symbol | Name | Country | Exchange |
|---|---|---|---|
| CCLP | CSI Compressco LP | US | NASDAQ |
| CLB | Core Laboratories N.V. | US | NYSE |
| HAL | Halliburton Company | US | NYSE |
| TTI | Tetra Technologies, Inc. | US | NYSE |
| HAL | Halliburton Co DRC | AR | BA |
| HAL | Halliburton Company | DE | F |
| CTV | Helix Energy Solutions Group Inc | DE | F |
| TWZ | Trican Well Service Ltd | DE | F |
| HAL | Halliburton Company | DE | XETRA |
| TCW | Trican Well Service Ltd. | CA | TO |