Founded by Tom Orr in 1946 as a screw machine shop in a Pittsburgh garage, ORRCO now precision-machines complex CNC and screw-machine components at its 45,000-square-foot facility in Greensburg, Pennsylvania. Its work includes distinctive specialties such as coal-mining bit bodies and brass refrigeration valve components, alongside parts for medical, hydraulic, and electronics applications. ORRCO serves customers across the United States and internationally from an ISO 9001:2015-certified operation.
ISO 9001:2015
Quality Machined Products and Manufacturing IncSince 1946, family-owned Quality Machined Products and Manufacturing has made custom precision-turned parts and screw-machine components at its Western Pennsylvania shop. Its 20,000-square-foot facility, experienced machinists and inspection program support complex, tight-tolerance work in production runs ranging from small orders to more than 10 million parts. QMP’s reach extends from the East Coast across the United States and into Mexico, with experience serving demanding fields such as aerospace, medical and nuclear manufacturing.NEW KENSINGTON, PA
AMMAC, IncFounded in 1905 as W.H. Ottemiller Company, AMMAC, Inc. makes U.S.-made screw-machined metal parts for OEM production, including specialty pins, fittings and other turned components. Now operating from a 170,000-square-foot facility in central Pennsylvania, the company has been known as AMMAC since 1983 and has remained under its current ownership since 2003. Its ISO 9001:2015-certified operation supports contract manufacturing with internal engineering, quality control and just-in-time services.WILLIAMSTOWN, PA
Chick Machine Co., LLCFounded by metalworking innovator Jim Chick, Chick Machine Co. is a western Pennsylvania manufacturer of tight-tolerance, custom and build-to-print machined components. The company brings nearly 50 years of experience to a 35,000-square-foot facility with more than 90 CNC machine tools, serving specialized applications from lasers and satellites to farm equipment. Its quality system is certified to AS9100:2016 and ISO 9001:2015, and the company is ITAR registered.BUTLER, PA
Vallorbs Jewel CompanyVallorbs Jewel Company grew from jeweled watch bearings into a precision machining company serving demanding applications in nuclear power, medicine, aircraft, and other industries. Founded by F. W. “Fritz” Steudler after he learned the trade from his father, the Bird-In-Hand manufacturer has specialized in Swiss screw and CNC machining for more than 70 years, including critical medical components since the 1980s and nuclear end plugs since the 1970s. Vallorbs is ISO 9001:2015 certified and is the only three-time recipient of the Westinghouse Supplier Excellence Award.BIRD-IN-HAND, PA