| Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|
| S-Oil Onsan Refinery | Refinery | South Korea | 6,196,517 |
| Motiva Port Arthur Refinery | Refinery | United States | 6,114,111 |
| Saudi Aramco Ras Tanura Refinery | Refinery | Saudi Arabia | 5,770,054 |
| Saudi Aramco Jazan Refinery | Refinery | Saudi Arabia | 4,196,403 |
| Saudi Aramco SASREF Jubail Refinery | Refinery | Saudi Arabia | 3,199,757 |
| Lotos Gdansk Refinery | Refinery | Poland | 2,689,027 |
| Pengerang Refinery and Petrochemical Integrated Development (RAPID), Pengerang, Johor | Petrochemical | Malaysia | 2,645,670 |
| Pengerang Refining and Petrochemical (PRefChem) | Refinery | Malaysia | 2,610,751 |
| Saudi Aramco Yanbu Refinery | Refinery | Saudi Arabia | 2,412,932 |
| Petro Rabigh, Rabigh, | Petrochemical | Saudi Arabia | 2,316,872 |
| Saudi Aramco Riyadh Refinery | Refinery | Saudi Arabia | 1,363,831 |
| Norinco Huajin Petrochemical, Liaoning, Panjin | Petrochemical | China | 1,077,208 |
| Saudi Aramco Jeddah Refinery | Refinery | Saudi Arabia | — |
| S-Oil Ulsan, Ulsan | Petrochemical | South Korea | — |
Ownership, capacity & CO₂: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
