| DRQ | Dril-Quip |
| MRC | MRC Global |
| OIS | Oil States |
| RES | RPC |
| FTI | TechnipFMC |
| LBRT | Liberty Energy |
| SLCA | U.S. Silica |
| OII | Oceaneering |
| PUMP | ProPetro |
| SOI | Solaris Oilfield Infrastructure |
| FTK | Flotek Industries |
| RNGR | Ranger Energy Services |
| NEX | NexTier Oilfield Solutions |