Calumet, Inc. manufactures, formulates, and markets a diversified slate of specialty branded products and renewable fuels to various consumer-facing and industrial markets in North America and internationally. It operates through Specialty Products and Solutions; Montana/Renewables; and Performance Brands segments. The Specialty Products and Solutions segment offers various solvents, waxes, customized lubricating oils, white oils, petrolatums, gels, esters, and other products.