The following companies are subsidiares of Calumet Specialty Products Partners: Anchor Drilling Fluids USA, Bel-Ray, Bel-Ray Company LLC, Bel-Ray Company Pty Limited, Biosynthetic Technologies, Calumet Africa Proprietary Limited, Calumet Branded Products LLC, Calumet Cotton Valley Refining LLC, Calumet Dickinson Refining LLC, Calumet Finance Corp., Calumet International Inc., Calumet Karns City Refining LLC, Calumet Mexico LLC, Calumet Missouri LLC, Calumet Montana Refining LLC, Calumet Operating LLC, Calumet Princeton Refining LLC, Calumet Refining LLC, Calumet San Antonio Refining LLC, Calumet Shreveport Refining LLC, Calumet Specialty Oils de Mexico S. de R.L. de C.V., Calumet Specialty Products Canada ULC, Kurlin Company LLC, Montana Renewables, Penreco, Royal Purple, Specialty Oil Field Solutions, TruSouth Oil, and United Petroleum Company.
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