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Other links at Energy and Environment > Oil and Gas > Operating Companies > Exploration and Production |
| 1. |
Gas Corp.
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Operating in Illinois, Kentucky and Indiana.
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| 2. |
Zavanna, LLC
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Operating in the Alberta, Williston, Permian, Anadarko, East Texas and south Florida basins.
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Sibir Energy PLC
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Production and reserves primarily in Russia. UK production also.
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| 5. |
True companies
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Family owned businesses dealing with oil and gas exploration, drilling, brokerage, trucking and ranching.
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