It takes a combined effort to produce and deliver products that make heavy-duty equipment last longer. At The D-A Lubricant Company, the success of our team-approach shows, not only in our products and services, but in the feedback we receive from our customers. Our qualified professionals are committed to providing lubricant solutions specifically tailored to your needs – that’s the power behind the performance of our products. Family-owned and operated, located in a state-of-the-art facility in Lebanon, Indiana, D-A stays true to its roots. D-A has historically taken great pride in producing industry-leading engine oils, transmission lubricants, greases, gear lubricants, hydraulic oils, antifreezes, specialty products and industrial grade lubricants. Today, D-A Lubricant Company includes the brands of D-A, PennGrade® and PennGrade 1® Motor Oils.