JR Mach is a premier, trusted manufacturer specializing in heavy steel castings, ductile iron castings, and precision-machined components. With over 30 years of casting expertise combined with advanced machining capabilities, we deliver one-stop, high-performance solutions for high-end equipment industries worldwide.

We offer a diverse range of materials to meet customers’ unique requirements. Our team of highly qualified process engineers, designers, and metallurgists collaborates closely with clients to select optimal material grades. Leveraging advanced technologies such as spectrometric analysis, we ensure the production of tailored, high-quality castings.

As a one-stop solution provider, we integrate sand casting and machining services. Our sand casting capacity spans 50 lbs. to 2,500 lbs, while our machine shop offers specialized turning and milling services. We handle work pieces from ounces up to 600 lbs, manufacturing parts with intricate geometries and details while maintaining exceptional precision and accuracy.

Rooted in decades of technical proficiency, we are dedicated to serving global sectors that demand uncompromising quality, reliability, and engineering excellence for critical components. Our mission is to produce robust, precision-engineered castings—parts that form the operational backbone of the world’s most demanding industrial applications.