Founded by Pittsburgh engineers Sean Handerhan and Sinjon Bartel, Three Rivers Precision is a small CNC machining company built around hands-on manufacturing experience and practical problem-solving. With more than a decade in the industry, the founders work with customers on prototype machining and production needs, serving fields such as aerospace and robotics. The company holds AS9100D and ISO 9001 certification.
AS9100D
certification
ISO 9001
certification
Reisinger Automation & DesignBuilt around owner Andrew Reisinger’s direct engineering involvement and shop-floor manufacturing experience, Reisinger Automation & Design is a small Wyomissing team known for hands-on attention from concept through completion. The company produces precision CNC-machined parts for aerospace, medical, and industrial customers while also providing practical engineering support for real-world production needs. It operates in accordance with ISO 9001 policies.WYOMISSING, PA
Conturo PrototypingPittsburgh-based Conturo Prototyping makes precision CNC-machined parts for demanding projects in space exploration, robotics, transportation, and energy. Its specialty is multi-axis milling and turning, including one-and-done work for complex components, supported by automated machining cells and direct engineering collaboration. The company is registered under ITAR and works with customers from early concept through production.332710PITTSBURGH, PA
Machining ConceptsFounded in 1994 by two Erie engineers, Machining Concepts has grown from a one-lathe, one-mill shop into a 20,000-square-foot precision machine shop with more than 28 machines. The company makes custom parts for demanding applications, taking projects from prototypes through production and supporting customers with coordinated secondary operations. Its work is certified to ISO 13485:2016 for medical devices and AS9100D for aerospace.ERIE, PA