Founded in 1922 as Harrisburg Stanley Spring Works, Dayton Parts manufactures and supplies replacement drivetrain and undercarriage components for commercial vehicles from its Pennsylvania headquarters. Its history began with leaf springs, and the company now serves spring shops, distributors, dealers and fleets across North America through manufacturing and distribution facilities in the United States and Canada. Dayton Parts became part of Dorman in 2021.
ISO 9001:2015
Point Spring & Driveshaft CoPoint Spring & Driveshaft Co. is a heavy-duty truck parts distributor and service provider that has served the industry since 1926. The company’s history traces its Pittsburgh roots to a spring business, and driveshaft repair and driveline-component distribution became specialties as it expanded across Pennsylvania, Ohio, and West Virginia. Its Brake Lining Supply operation produces remanufactured brake shoes, while its service shops also fabricate and repair truck components.FAIRMONT, WV
Triangle Suspension Systems, IncTriangle Suspension Systems, Inc. makes undercarriage products for heavy-, medium- and light-duty trucks and trailers, including steel leaf springs manufactured in the United States. Founded in 1919, the company traces its roots to Pittsburgh’s Golden Triangle and moved its operations to DuBois, Pennsylvania, in 1927; it reports that its products are backed by ISO-registered facilities and distributed through a nationwide network.DU BOIS, PA
Penn Machine Company, LLCFounded 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.JOHNSTOWN, PA
Camerota Truck PartsFounded by Sam Camerota in 1960, Camerota Truck Parts remanufactures and distributes truck drivetrain components while providing repair, diagnostics, installation, and driveline services across the Northeast. Still family-owned and operated, the company has grown from a scrap recycling and used-parts yard into an eight-location business with more than 200 employees and a large off-highway operation. Its Enfield headquarters holds ISO 9001:2015 certification for drivetrain remanufacturing and distribution.VALLEY COTTAGE, NY