Here is how oil and gas companies rank based on their market capitalization:
1. ExxonMobil (XOM) $321.2 Billion
2. Shell (RDS) $280.6 Billion
3. Chveron (CVX) $229.6 Billion
4. PetroChina (PTR) $187.3 Billion
5. British Petroleum (BP) $143.57 Billion
6. Total (TOT) $141.39 Billion
7. ConocoPhillips (COP) $70.18 Billion
8. Equinor (EQNR) $70 billion
9. Eni (E) $58.8 Billion
10. EOG Resources (EOG) $53.98 Billion
11. Suncor Energy (SU) $50.76 Billion
12. Occidental Petroleum (OXY) $39.5 Billion
13. Anadarko Petroleum (APC) $36.46 Billion
14. Marathon Petroleum (MPC) $34.42 Billion
15. Pioneer Natural Resources (PXD) $25.98 Billion
16. Hess Corporation (HES) $19.93 Billion
17. OMV (OMV) $16.43 Billion
18. Continental Resources (CLR) $15.47 Billion
19. Devon Energy (DVN) $12.71 Billion
20. Apache Corporation (APA) $11.43 Billion
21. Murphy (MUR) $4.63 Billion