Welcome to J D M Enterprises Inc., your trusted partner in the Gas, Oil, Mining, and Commercial Drilling industries for over 30 years. Located in western Pennsylvania, we specialize in heavy-duty Caterpillar engine sales and repairs, ensuring- top notch service and quality. We have an extensive inventory of used engines and parts for your Caterpillar engines. We buy and sell mud pumps, boosters, air compressors, drill rigs, and components. Count on us for reliable solutions tailored to your needs.