Calumet Specialty Products Partners, L.P. (Calumet Specialty) is a refiner and processor of specialty hydrocarbon products. It is engaged in refining of quality specialty hydrocarbon products in North America. The company is producing the following products such as naphthenic and paraffinic oils, aliphatic solvents, white mineral oils, petroleum waxes, petrolatum and hydrocarbon gels. Calumet Specialty carries its business through two key business segments: Specialty Products and Fuel Products. tThrough Specialty Products segment, the company processes crude oil and other feedstocks into a variety of lubricating oils, petrolatums and waxes. The Fuel Products segment, it processes crude oil into a variety of fuel and fuel-related products. Additionally, the company also produces asphalt. The company principally operates in the Louisiana and Illinois regions in the US. It is headquartered at Indianapolis in Indiana, the US.

The company is operating six plants including operations in Northwest Louisiana, Pennsylvania, Texas and Illinois. The company operated refineries include Princeton refinery, Cotton Valley refinery, Shreveport refinery, Karns City Facility, Dickinson Facility.