| Rank | Company | Total assets | Sector | Industry | Country | Exchange |
|---|---|---|---|---|---|---|
| 1 | $464B | Energy | Oil & Gas Refining | United States | NYSE | |
| 2 | $330B | Energy | Oil & Gas Refining | United States | NYSE | |
| 3 | $279B | Energy | Oil & Gas Refining | United States | NYSE | |
| 4 | $132B | Energy | Oil & Gas Refining | United States | NYSE | |
| 5 | $124B | Energy | Oil & Gas Refining | United States | NYSE | |
| 6 | $94.3B | Energy | Oil & Gas Refining | United States | NYSE | |
| 7 | $81.8B | Energy | Oil & Gas Refining | United States | NYSE | |
| 8 | $64.7B | Energy | Oil & Gas Refining | United States | NYSE | |
| 9 | $29.4B | Energy | Oil & Gas Refining | United States | NYSE | |
| 10 | $14.7B | Energy | Oil & Gas Refining | United States | NYSE | |
| 11 | $7.55B | Energy | Oil & Gas Refining | United States | NYSE | |
| 12 | $4.08B | Energy | Oil & Gas Refining | United States | NYSE | |
| 13 | $3.48B | Energy | Oil & Gas Refining | United States | NYSE | |
| 14 | $2.85B | Energy | Oil & Gas Refining | United States | NYSE |