Founded in 1920 as a coal company, Penn Machine Company grew from making replacement parts for coal-mining equipment into a western Pennsylvania manufacturer and supplier of heavy-duty OEM and aftermarket components. Its Transit, Locomotive, and Industrial/Mining divisions serve rail and heavy-industry customers, with the company also rebuilding transit gearboxes and wheelsets. Penn Machine is part of The Marmon Group, a Berkshire Hathaway company.
AAR M-1003
ISO 9001:2015
ISO 9001