- Saudi Arabian Oil Company 3028
- Petroleos Mexicanos 1278
- Petroleos de Venezuela 1258
- China National Petroleum 1168
- BP Amoco + Arco 963
- ExxonMobil 894
- Royal Dutch/Shell 859
- Nigerian National Petroleum Company 772
- Iraq National Oil Company 770
- Kuwait Petroleum Corporation 757
- Chevron + Texaco 756
- Valero 380
- Chem-Energy Corporation 10 [1]
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