The key list
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Leading integrated oil & gas companies by reserve: global
This month our new oil & gas key list brings you the 15 largest integrated companies by reserve globally, as ranked by GlobalData's Oil & Gas Intelligence Centre. All numbers as of November 2019.
| Company name | Reserves (Mmboe) | Headquarters location |
| Saudi Arabian Oil Co | 336,632 | Saudi Arabia |
| Petroleos de Venezuela SA | 336,033 | Venezuela |
| Gazprom | 53,742 | Russia |
| Rosneft Oil Co | 46,362 | Russia |
| Exxon Mobil Corp | 24,293 | US |
| BP Plc | 19,658 | UK |
| Lukoil Oil Co | 15,931 | Russia |
| Chevron Corp | 12,053 | US |
| Total SA | 11,436 | France |
| Royal Dutch Shell Plc | 11,372 | Netherlands |
| Petroleo Brasileiro SA | 9,606 | Brazil |
| China National Petroleum Corp | 8,187 | China |
| Petroleos Mexicanos | 6,848 | Mexico |
| Eni SpA | 6,827 | Italy |
| Tatneft | 6,600 | Russia |