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For nearly a century, Keller-Heartt has been fueling American industries with the oils, lubricants, and essential chemicals that keep operations running smoothly. Founded in 1929 as a family-owned business in the Midwest, the company has grown into a nationwide distributor trusted by professionals who need performance and reliability above all. Their flagship line, TRUEGARD, features everything from oils and coolants to industrial cleaners, while partnerships with global names like Shell, WD-40, and Oil Eater round out their offerings. Whether you’re sourcing motor oils, lubricants, or specialty chemicals, Keller-Heartt combines deep expertise with affordable pricing to deliver products that work as hard as you do.