Index of companies by GICS code: 10101010 (Oil & Gas Drilling)
- Diamond Offshore Drilling Inc (DO)
- Ensco plc (ESV)
- Helmerich & Payne (HP)
- Independence Contract Drilling (ICD)
- Nabors Drilling (NBR)
- Noble Corporation (NE)
- Parker Drilling (PKD)
- Patterson-Uti Energy (PTEN)
- Precision Drilling Corporation (PDS)
- Rowan Companies (RDC)
- Seadrill Partners (SDLP)
- Transocean (RIG)