| Symbol | Name | Country | Exchange |
|---|---|---|---|
| KX4A | KLX Energy Services Holdings Inc | DE | F |
| NEJ | Nine Energy Service Inc | DE | F |
| NO8 | NOV Inc | DE | F |
| OI2 | Oil States International Inc | DE | F |
| PE1 | Patterson-UTI Energy Inc | DE | F |
| RLD | RPC Inc | DE | F |
| ZCH | China Telecom Corporation Limited | DE | F |
| HAL | Halliburton Company | DE | XETRA |
| MOL | MOL PLC | PL | WAR |
| UNIDT | United Drilling Tools Limited | IN | NSE |