| APA | APA |
| AR | Antero Resources |
| COP | ConocoPhillips |
| CRK | Comstock Resources |
| DVN | Devon Energy |
| EOG | EOG Resources |
| EQT | EQT |
| FANG | Diamondback Energy |
| HES | Hess |
| MTDR | Matador Resources |
| PR | Permian Resources |
| PXD | Pioneer Natural Resources |
| RRC | Range Resources |
| SWN | Southwestern Energy Company |