Founded as a Barth family tool-and-die shop in 1914, Barth Industries now precision-machines challenging cast iron and steel components for heavy industry. Its Cleveland operation spans more than 120,000 square feet, pairing high-volume horizontal CNC machining with in-house fixturing and mechanical assembly for transportation, material-handling and industrial equipment makers. The company’s history includes supplying automotive manufacturers, building specialty machinery and evolving alongside Northeast Ohio manufacturing for more than 110 years.
Brooklyn Machine & MfgFounded in 1923, family-owned Brooklyn Machine & Mfg. produces precision CNC-turned and milled component parts for heavy industry from its Cuyahoga Heights, Ohio operation. Nearly a century of machining experience is paired with large-capacity equipment, including a vertical turning center handling parts up to 52 inches in diameter and 48 inches tall.CLEVELAND, OH
Hahn Manufacturing CompanyFounded in Cleveland in 1916 by journeyman machinist Emil P. Hahn, Hahn Manufacturing Company remains a multigenerational domestic manufacturer of large, precision-machined OEM components. Today, Hahn’s third generation is still hands-on, combining large-part capacity with custom service for production and prototype work. The company is ISO 9001:2015 certified and ITAR registered, with lifting capacity up to 50,000 pounds and machining capability for parts up to 200 inches.CLEVELAND, OH
Cleveland Steel ServicesCleveland Steel Services traces its machining heritage to 1956 and produces high-tolerance CNC-milled and turned components in Cleveland, Ohio. Acquired and rebranded in 2022, the shop combines the legacy of Murray Machine & Tool with veteran-led ownership and modern subtractive manufacturing for demanding American industries. It is also a State of Ohio Certified Veteran-friendly Business Enterprise.MIDDLEBURG HEIGHTS, OH
Marich Machine & Tool CompanyOpened in Cleveland in 1982, Marich Machine & Tool Company manufactures custom machined components for demanding equipment and industrial applications, including tunnel boring and nuclear work. Its Mazak-based CNC turning and milling operation handles parts up to 22 inches in diameter and 80 inches between centers, supported by in-house quality assurance and product traceability.CLEVELAND, OH