CHX | ChampionX |
DRQ | Dril-Quip |
FTI | TechnipFMC |
HAL | Halliburton Company |
HLX | Helix Energy Solutions Group |
MRC | MRC Global |
OII | Oceaneering |
OIS | Oil States |
RES | RPC |
RNGR | Ranger Energy Services |
SLB | Schlumberger |
SOI | Solaris Oilfield Infrastructure |
WFRD | Weatherford |
WHD | Cactus |