Calumet, Inc. is a diversified specialty products and renewable fuels company based in Indianapolis, Indiana, with a history that dates back to 1919. Originally founded as Calumet Refining Company, it has grown into a leading manufacturer and distributor of premium hydrocarbon-based products, operating 12 facilities across North America and serving nearly 2,500 customers worldwide.

The company operates in three main segments: Specialty Products and Solutions, which includes lubricating oils, solvents, waxes, and petroleum jelly for various industries; Performance Brands, which features well-known brands like Royal Purple and Bel-Ray; and Montana Renewables, focused on renewable diesel production. Calumet's facilities produce a range of products, including base oils and fuels, and the company is committed to sustainability and innovation in renewable energy. With a broad customer base across over 90 countries, Calumet's products play a vital role in everyday life, serving sectors such as transportation, energy, and personal care.