| Rank | Company | Market cap | Sector | Industry | Country | Exchange |
|---|---|---|---|---|---|---|
| 1 | $693B | Energy | Oil & Gas Refining | United States | NYSE | |
| 2 | $418B | Energy | Oil & Gas Refining | United States | NYSE | |
| 3 | $161B | Energy | Oil & Gas Refining | United States | NYSE | |
| 4 | $130B | Energy | Oil & Gas Refining | United States | NYSE | |
| 5 | $128B | Energy | Oil & Gas Refining | United States | NYSE | |
| 6 | $127B | Energy | Oil & Gas Refining | United States | NYSE | |
| 7 | $112B | Energy | Oil & Gas Refining | United States | NYSE | |
| 8 | $107B | Energy | Oil & Gas Refining | United States | NYSE | |
| 9 | $84.6B | Energy | Oil & Gas Refining | United States | NYSE | |
| 10 | $59.4B | Energy | Oil & Gas Refining | United States | NYSE | |
| 11 | $19.6B | Energy | Oil & Gas Refining | United States | NYSE | |
| 12 | $10.6B | Energy | Oil & Gas Refining | United States | NYSE | |
| 13 | $5.99B | Energy | Oil & Gas Refining | United States | NYSE | |
| 14 | $5.08B | Energy | Oil & Gas Refining | United States | Nasdaq | |
| 15 | $4.69B | Energy | Oil & Gas Refining | United States | NYSE | |
| 16 | $3.93B | Energy | Oil & Gas Refining | United States | NYSE | |
| 17 | $2.72B | Energy | Oil & Gas Refining | United States | NYSE |