Plymouth Foundry, Inc. has proudly served the Midwest and the greater United States for over 75 years from our original location in Plymouth, Indiana. As a family-owned and operated gray iron and ductile iron foundry, we take immense pride in our heritage, craftsmanship, and commitment to excellence. Our management team—direct descendants of the original founders—continues to uphold the values of integrity, quality, and customer satisfaction that were established in 1946.
We specialize in casting and machining services, offering end-to-end production under one roof. This integrated approach not only improves cost efficiency for our customers but also enhances quality control by eliminating the inconsistencies often seen with multi-facility processes. Our ISO 9001:2015 certification ensures every product meets strict quality standards and complies with all statutory and regulatory requirements.
At Plymouth Foundry, quality and service aren’t just buzzwords—they're the foundation of everything we do. From rapid prototyping to high-volume production runs, we deliver precision castings and machined components tailored to meet each client’s specifications. Our experienced team is dedicated to exceeding expectations by delivering durable, accurate, and high-performing parts for various industries.
We continually invest in cutting-edge technology, including shop floor data collection systems, shop card controls, and state-of-the-art 3D printing. These tools, combined with the skills of our well-trained workforce, allow us to offer fast turnaround times, efficient workflow, and superior product performance.
Whether you're seeking a dependable partner for gray or ductile iron casting, precision machining, or prototype development, Plymouth Foundry is your trusted source. Our longstanding tradition of quality, innovation, and personalized service has made us a leader in the metal casting industry.
