1. Cargill
2. Archer Daniels Midland (ADM)
3. Koch Industries
4. Glencore
5. Louis Dreyfus Company
6. Bunge
7. Gavilon LLC
8. Tesco PLC
9. Wal-Mart Stores
10. Costco Wholesale Corp.
These companies are involved in a wide range of trading activities, including agricultural commodities, energy, metals, and consumer goods. They operate globally and have a significant impact on the world economy.