With more than 70 years in the machining industry, Grand Valley Manufacturing Co. is a Titusville, Pennsylvania manufacturer known for taking on unusually long, large and heavy components. Its multiple facilities serve demanding customers in aerospace, defense and energy, with capacity for parts up to 70 feet long. The company is ISO 9001 certified, ITAR registered and JCP certified.
ISO 9001 certified by NSF-ISR
ITAR Registered
Registration
SAM.gov Registration
Registration
JCP Certified
Off-Shore Oil Approval
Compliance program
Nuclear Valves Approval
Compliance program
Naval Submarines Approval
Compliance program
JCP
Quality certification
AB Precision Grinding CoSince 1969, AB Precision Grinding Co. in Easton has provided precision grinding and machining for aerospace, defense, and industrial manufacturers. The company handles oversized work—including Blanchard-ground parts up to 104 inches in diameter and surface-ground parts up to 120 inches long—alongside close-tolerance work in demanding alloys. AB Precision is AS9100D certified, ITAR-registered, and JCP certified, with more than 50 years of experience supporting regulated manufacturing.EASTON, PA
Ewart-Ohlson Machine CompanyFounded in Akron in 1942, Ewart-Ohlson Machine Company now precision-machines medium and large components for aerospace, defense, energy, and other demanding applications from its Cuyahoga Falls plant. Its 38,000-square-foot facility is built for oversized work, with equipment capable of handling forgings weighing up to seven tons and machining landing-gear components among other massive parts. The company’s AS9100- and ISO 9001-certified quality system supports work ranging from Mars Exploration Rover mortar tubes to Airbus A380 landing-gear forgings.CUYAHOGA FALLS, OH
Patriot Manufacturing GroupEstablished in 2005, Patriot Manufacturing Group combines precision machining with steel fabrication and erection in a 30,000-square-foot Carlisle, Ohio facility. Its full-service machine and weld shop is particularly equipped for oversized work, including machining parts up to 258 inches long and reconditioning heavy industrial rolls and equipment. Patriot is a service-disabled veteran-owned small business and maintains ISO 9001 certification.FRANKLIN, 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