| AR | Antero Resources |
| CPE | Callon Petroleum |
| EGY | VAALCO Energy |
| EPSN | Epsilon Energy |
| FANG | Diamondback Energy |
| GPRK | GeoPark |
| NOG | Northern Oil and Gas |
| PHX | PHX Minerals |
| RRC | Range Resources |
| SBOW | SilverBow Resources |
| SM | SM Energy Company |
| SWN | Southwestern Energy Company |
| VTLE | Vital Energy |