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Petroleum and coal products
Name Primary Industry |
City |
Calumet Specialty Products Partners, L.P. | Great Falls |
Petroleum Refineries |
|
Century Companies, Inc. | Lewistown |
Asphalt Paving Mixture and Block Manufacturing |
|
CHS Inc. | Laurel |
Petroleum Refineries |
|
ExxonMobil | Billings |
Petroleum Refineries |
|
Koch Materials Company | Billings |
Asphalt Paving, Roofing, and Saturated Materials Manufacturing |
|
Phillips 66 | Billings |
Petroleum Refineries |
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