1. Chevron Corporation
2. ConocoPhillips Company
3. Exxon Mobil Corporation
4. PJSC Gazprom
5. Japan Oil
Gas and Metals National Corporation
6. Equinor ASA
7. Royal Dutch Shell plc
8. TotalEnergies SE
9. China National Offshore Oil Corporation
10. Petr?leo Brasileiro S.A.