Diesel USA Group traces its roots to Diesel Injection Service, founded in Louisville in 1950, and is now a multi-location company serving diesel equipment owners across North America. It is known for combining a neighborhood parts-counter approach with the inventory and technical reach of a larger operation, supporting customers in vehicle, industrial, locomotive and marine applications. The group distributes genuine diesel components and provides repair support for customers seeking to reduce downtime and maintenance costs.
Diesel ProFrom a farmhouse basement in Glen Rock, Pennsylvania, Diesel Pro has grown into a family-owned diesel parts remanufacturer, distributor, and repair operation serving customers across the United States and Canada. Founded by Lance Donaldson in 1985 and now managed by his son Scott, the company remanufactures fuel-system components and turbochargers while running a full-service truck repair facility with 11 bays. Its 30,000-square-foot warehouse holds more than 100,000 parts, giving the long-standing local business an unusually broad reach.GLEN ROCK, PA
Martin DieselSince 1954, Martin Diesel has grown from a trucking-industry repair shop into a Yanmar diesel engine and power-solutions company serving multiple industries. The company develops OEM solutions, repowers existing equipment, and partners with OEMs on U.S. military applications, with support spanning engineering design, parts repair, and technical service. Its leadership brings more than 35 years of diesel-engine industry expertise.DEFIANCE, OH
Stauffer Diesel IncFounded by Amos Stauffer in 1948 to serve Lancaster County dairy farmers, Stauffer Diesel has grown into a Pennsylvania-based distributor and service provider for industrial and marine diesel engines. The company keeps hundreds of new and replacement engines in stock while supporting them with repair, rebuilding, parts, and factory-trained field service. Its Stadco division also designs and manufactures custom generator sets and modular power packages for OEM applications.EPHRATA, PA
D&W Diesel, IncEmployee-owned since 1976, D&W Diesel grew from a one-bay Auburn, New York garage into a national company serving industrial and mobile equipment operators. More than 350 associate owners now work from its 110,000-square-foot facility and eight regional locations, carrying forward the service focus that shaped the business from its beginnings as a starter and alternator rebuilder. D&W is ISO 9001:2015 certified.CLEVELAND, OH