About Keller Heartt Keller-Heartt is a full-service company recognized as a leader in the Lubricant and Absorbent industry. We have a highly-qualified, experienced staff which pays close attention to your lubrication requirements. Top Keller Heartt Products 55 Gallon Drums of Motor Oil and Lubricants - We have you covered for large oil and lubricant needs for your shop. Oil Eater Degreaser - Strong enough to remove the toughest dirt and grime and contains no harmful acids. Top Brands of Oil and Lubricants - We carry Shell, Pennzoil, WD-40, and Quaker State