Chs Refinery 803 Us Highway 212 S Laurel, MT 59044 Phone : (406) 628-5200 Chs Refinery Business Category Petroleum Refining Cenex 803 Us Highway 212 S Laurel, MT 59044 Phone : (406) 628-5200 Business Category Builders & Contractors Pipe Line Contractors Water-Sewer Pipeline & Comms/Power Line Petroleum Refining Fuel