Keller Heartt Oil

Keller-Heartt is a family-owned industrial lubricant and chemical distributor serving businesses nationwide since 1929. As a Shell Master Certified distributor, we supply premium oils, lubricants, greases, diesel exhaust fluid (DEF), metalworking fluids, and solvents from trusted brands including Shell, Pennzoil, BlueDEF, Oil Eater, and our own Truegard private label line. With over $8 million in inventory across distribution centers in Chicago and Milwaukee, we deliver bulk and packaged products with free shipping on every order — no minimums required. We serve trucking fleets, machine shops, manufacturers, food and beverage operations, aviation, automotive, and government agencies. Request a quote, shop online, or call our expert team 1-800-423-7513