Calumet Specialty Products Partners — independent third-party profile of a public API surface, by API Evangelist. Calumet, Inc. (NASDAQ: CLMT) is a publicly traded U.S. manufacturing company established in 1919, headquartered in Indianapolis, Indiana. The firm specializes in the manufacture of lubricating oils, solvents, waxes, packaged and synthet
manufacturing petroleum hydrocarbons fuels asphalt apis-json lubricants waxes specialty-chemicals renewable-diesel solvents
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Updated
Sep 25, 2026