| FTI | TechnipFMC |
| BKR | Baker Hughes |
| NCSM | NCS Multistage |
| NR | Newpark Resources |
| SOI | Solaris Oilfield Infrastructure |
| PFIE | Profire Energy |
| NINE | Nine Energy Service |
| NEX | NexTier Oilfield Solutions |
| FTK | Flotek Industries |
| MRC | MRC Global |
| VTOL | Bristow Group |
| DWSN | Dawson Geophysical |
| AROC | Archrock |
| RNGR | Ranger Energy Services |