| Symbol | Name | Country | Exchange |
|---|---|---|---|
| E | ENI S.p.A. | US | NYSE |
| GNOLF | Genoil Inc | US | OTC |
| 1UEN | United Energy Group Ltd | DE | F |
| REP | Repsol | DE | F |
| ABP | Azienda Bresciana Petroli Nocivelli SpA | IT | MI |
| USS | Marathon Oil Corporation | DE | F |
| YCP | ConocoPhillips | DE | F |
| YPF | YPF Sociedad Anónima | DE | F |
| YCP | ConocoPhillips | DE | XETRA |