| DNOW | NOW |
| NOA | North American Construction Group |
| DRQ | Dril-Quip |
| WHD | Cactus |
| FET | Forum Energy |
| NR | Newpark Resources |
| PUMP | ProPetro |
| SOI | Solaris Oilfield Infrastructure |
| EFXT | Enerflex |
| NEX | NexTier Oilfield Solutions |
| VTOL | Bristow Group |
| CHX | ChampionX |
| RNGR | Ranger Energy Services |