| BP plc |
United Kingdom |
Western Europe |
Mining, Quarrying, and Oil and Gas Extraction-21 |
3 |
41 |
view |
| China National Offshore Oil Corp. |
China |
East Asia |
Mining, Quarrying, and Oil and Gas Extraction-21 |
19 |
237 |
view |
| China National Petroleum Corporation |
China |
East Asia |
Mining, Quarrying, and Oil and Gas Extraction-21 |
16 |
194 |
view |
| ConocoPhillips |
United States |
North America |
Mining, Quarrying, and Oil and Gas Extraction-21 |
11 |
139 |
view |
| Eni S.p.A. |
Italy |
Western Europe |
Mining, Quarrying, and Oil and Gas Extraction-21 |
7 |
105 |
view |
| Glencore International plc |
Switzerland |
Western Europe |
Mining, Quarrying, and Oil and Gas Extraction-21 |
2 |
40 |
view |
| Halliburton Company |
United States |
North America |
Mining, Quarrying, and Oil and Gas Extraction-21 |
18 |
235 |
view |
| OAO Gazprom |
Russia |
Eastern Europe & Central Asia |
Mining, Quarrying, and Oil and Gas Extraction-21 |
13 |
173 |
view |
| OAO Lukoil |
Russia |
Eastern Europe & Central Asia |
Mining, Quarrying, and Oil and Gas Extraction-21 |
15 |
191 |
view |
| OAO Rosneft Oil Company |
Russia |
Eastern Europe & Central Asia |
Mining, Quarrying, and Oil and Gas Extraction-21 |
8 |
123 |
view |
