Calumet Specialty Products Partners, L.P. is a producer of specialty hydrocarbon products in North America. It operates in two segments: specialty products and fuel products. In its specialty products segment, it processes crude oil and other feedstocks into a range of customized lubricating oils, white mineral oils, solvents, petrolatums and waxes. Its specialty products are sold to domestic and international customers who purchase them as raw material components. In its fuel products segment, it processes crude oil into a range of fuel and fuel-related products. In October 2012, Connacher Oil and Gas Limited sold Montana Refining Company, Inc. and Great Divide Pipeline Company to a wholly owned subsidiary of the Company. In January 2013, the Company acquired the San Antonio, Texas refinery and associated crude oil pipeline, crude oil terminal, other operating and logistics assets and inventories (the San Antonio Assets) of NuStar Refining, LLC and NuStar Logistics, L.P.