Welcome to J. Walter Miller Co.

Committed to Quality

JW Miller castings are known for their quality, consistency, and flexibility — produced right in the heart of Lancaster, Pennsylvania. As a trusted metal casting foundry since 1887, J. Walter Miller Company proudly serves industries including fire protection, valve and pump manufacturing, pressure equipment, and electrical systems.

Our foundry specializes in brass and bronze castings using green sand processes. Whether you need short runs or high-volume production, we deliver on-time, cost-effective solutions without compromising quality.

At J. Walter Miller Co., we prioritize quality as a foundational principle. Backed by ISO 9001:2015 certification and Lean practices, we deliver high quality castings, with World Class OTD, Lead Times, and Customer Satisfaction at Competitive Prices.

JW Miller castings are supported by flexible production systems designed for orders of one part or hundreds of thousands. Using Lean principles, we’ve optimized our setup times to offer ultimate agility. From rapid tooling changes to precise control over alloy specifications, we’re equipped to support everything from one-offs to large-scale programs.

What sets us apart isn’t just what we make — it’s how we partner. At J. Walter Miller, we don’t just sell castings; we sell service. Our mission is to add value, build trust, and be a responsive partner in your supply chain. Backed by decades of experience, a dedicated team, and a certified quality system, we’re ready to help you succeed.

To learn more about our broader foundry network, visit the Foundrion Group overview.