ORRCO is a precision machine shop in Greensburg, PA with over 80 years of experience producing high-quality CNC machined and screw machine components for manufacturers across the United States. Our ISO 9001:2015-certified facility serves industries ranging from medical device and defense to hydraulics, mining, and electronics — delivering tight-tolerance custom parts with the reliability and responsiveness that demanding supply chains require.
Serving Western PA, the U.S., and Beyond
Whether you’re a manufacturer in Pittsburgh, Westmoreland County, or anywhere in the tri-state region, ORRCO provides fast turnaround, consistent quality, and the responsive service you’d expect from a local partner — backed by the capabilities of a world-class precision machining operation.
We supply precision-machined components to customers across the United States and internationally, including manufacturers in Mexico. Our Greensburg facility supports export customers with the same tight tolerances, ISO 9001:2015 certified quality, and on-time delivery our domestic customers rely on.
What We Offer
CNC Mill-Turn Machining
Our multi-axis CNC mill-turn centers produce complex, multi-feature components complete in a single setup — reducing handling, improving accuracy, and shortening lead times. Ideal for hydraulic valve components, medical device parts, and defense hardware with tight tolerances and complex geometry.
Multi-Spindle Screw Machining
For high-volume production of precision components, ORRCO’s multi-spindle screw machines deliver consistent quality and competitive pricing at quantities from thousands to millions of parts. A proven solution for connectors, fittings, fasteners, and other high-usage components.
Quality Control and Inspection
Every part we ship is inspected against your drawing and specifications. Our ISO 9001:2015 quality system provides full traceability and process documentation, with dimensional reports available on request. In-house ultrasonic cleaning ensures parts are delivered clean and ready for your assembly process.
Industries We Serve
From our precision machine shop in Greensburg, PA, ORRCO machines precision components for manufacturers in a wide range of industries:
- Medical device and surgical instrument manufacturing
- Hydraulics and fluid power systems
- Mining and heavy equipment
- Defense and government contracting
- Electronics and communications
- Construction equipment
- Valve Manufacturers
- Lawn and garden equipment
- Recreational equipment
Materials We Machine
Our machinists work with a full range of metals and engineering plastics including brass, steel, stainless steel, aluminum, copper, carbide, and engineering-grade plastics. Not sure which material is right for your application? Our team is happy to consult on material selection as part of the quoting process.
Learn more about our full machining capabilities or browse our product categories.
Why Manufacturers Choose ORRCO
Greensburg has been home to ORRCO’s precision machining operation for over eight decades, making us one of the longest-standing machine shops in western Pennsylvania. Our deep roots in the region mean we understand the needs of local manufacturers — and our investment in modern CNC technology means we can meet the demands of customers anywhere in the world. Whether you need a local supplier you can visit in person or a reliable production partner you can count on remotely, ORRCO delivers both.
- 80+ years of precision machining experience — deep process knowledge across a wide range of materials and part types
- ISO 9001:2015 certified — documented quality system with full traceability
- Scalable production — short prototype runs to multi-million piece production orders
- Local and responsive — based in Greensburg, PA with direct communication and fast turnaround
- Full-service capability — machining, cleaning, coatings, and assembly coordination under one roof
Visit Us or Request a Quote
ORRCO is located at 190 Orr Dr, Greensburg, PA 15601. We welcome RFQs from manufacturers of all sizes. Submit your drawing and specifications and we’ll respond with a competitive quote — typically within one business day.