1. Emirates National Oil Company (ENOC): ENOC is a leading integrated energy company based in Dubai. It owns and operates several oil trading subsidiaries, including ENOC Trading L.L.C., Emirates Petroleum Products Company Limited (EPPCO), and Horizon Terminals Limited.
2. Dubai Mercantile Exchange (DME): The DME is a commodities exchange in Dubai focused on energy futures contracts. It offers trading in Oman Sour crude oil futures, known as the DME Oman futures contract.
3. Gulf Petrochem Group (GP Group): GP Group is a multinational conglomerate headquartered in Dubai. It encompasses a range of activities, including oil trading, refining, and petrochemicals.
4. Trafigura Middle East Limited: Trafigura is one of the world's largest independent commodity traders. Its Dubai office plays a significant role in the company's global oil trading operations.
5. Vitol Middle East Limited: Vitol is another leading global energy and commodities trader. Its Dubai office manages crude oil and refined products trading activities in the Middle East and North Africa regions.
6. Mercuria Energy Trading Middle East DMCC: Mercuria is a prominent Swiss-based commodity trading firm. Its Dubai office facilitates oil trading in the Middle East and serves as a regional hub.
7. Glencore Middle East FZE: Glencore is a multinational commodity trading and mining company. Its Dubai office is involved in various commodities trading activities, including oil.
8. Oryx Energies FZ LLC: Oryx Energies is a major oil refining and trading company with headquarters in Switzerland. Its Dubai office oversees trading operations in the Middle East and Africa.
9. Addax Energy FZE: Addax Energy is a subsidiary of Sinopec Group, one of China's largest state-owned oil and gas companies. Its Dubai office plays a vital role in trading crude oil and refined products.
10. Petromanas FZCO: Petromanas is a Dubai-based independent oil and gas company specializing in exploration, production, and trading.
Please note that this list is not exhaustive, and other oil trading firms operate in Dubai. The prominence and ranking of these firms may vary based on various factors such as trading volumes, market share, and financial performance.