In the company of giants, Giant Companies

1. Wal-Mart Stores, Inc.
2. Sinopec Group
3. China National Petroleum Corporation
4. Saudi Aramco 
5. State Grid
6. Samsung
7. Royal Dutch Shell
8. ExxonMobil
9. Vitol
10. Kuwait Petroleum Corporation
11. Volkswagen
12. Apple
13. Toyota
14. BP
15. Glencore
16. Total
17. Berkshire Hathaway
18. McKesson
19. China Railway 
20. Phillips 66