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Investment Casting Company | DFAR & ITAR Compliant

The Best Investment Casting Services in Minnesota

At RLM Industries, we specialize in investment casting, offering our clients throughout the USA—including those in Minnesota—a bespoke metal-forming experience. With a focus on diverse sectors like construction, medical, military, and agriculture, our services are designed to provide precision-crafted components that meet the complex needs of your industry. Our process ensures that every detail of the original design is captured, providing high-fidelity parts that incorporate intricate features and unique geometries without sacrificing structural integrity.

Our skilled team works closely with you to turn your concepts into reality, leveraging advanced investment casting techniques optimized for low- and high-volume production. Whether innovating new medical devices or reinforcing rugged military hardware, RLM Industries empowers you to achieve exceptional results. We understand the dynamic landscape of industries in Minneapolis and beyond, and we’re committed to delivering the best metal components and products.

Elevate Your Projects with Expertly Crafted Metal Components

At RLM Industries, we understand the value of meeting and surpassing the industry benchmarks for quality and efficiency in investment casting. Our foundry is not just a production facility; it’s a hub of innovation where your ideas are transformed into high-quality, durable metal products. Whether you’re in the early stages of prototyping or ready to engineer the final product, our team is equipped to support you every step of the way.

We pride ourselves on our ability to produce complex, high-precision parts with exceptional surface finishes, reducing the need for costly machining and finishing processes. Our expertise in working with a diverse range of metals and alloys ensures that we can meet the unique requirements of your investment cast parts, no matter the sector.

Metals That Can Be Used For Investment Castings

  • Aluminum
  • Alloy Steel
  • Beryllium
  • Brass
  • Bronze
  • Carbon Steel
  • Cobalt Alloys
  • Copper
  • Ductile Iron
  • Nickel

Our Foundry's Investment Casting Services


Phone: (248) 628-5103

Start your journey with RLM today!

Nationwide Leaders in Customized Metal Casting for Various Industries


Our investment casting services cater to the construction industry, producing high-quality parts like building hardware, fittings, valves, and more. These precision-cast components ensure durability and safety in numerous construction applications.


We offer investment casting services to create intricate equipment parts such as surgical tools, orthopedic implants, and dental devices in the medical field. The accuracy and repeatability provided by investment casting are integral in producing these life-saving tools and devices.


Our investment casting services supply high-strength, dependable components used in armored vehicles, firearms, aeronautics, and communication equipment for the military sector. These mission-critical parts are engineered to perform in demanding conditions and adhere to stringent defense specifications.


The manufacturing industry greatly benefits from our investment casting services, as we produce an extensive range of reliable machinery, tools, and equipment parts. Our capabilities ensure the production of high-precision components that are pivotal in various manufacturing processes and applications.


For the agriculture industry, we deliver investment casting services for components of farm machinery, implements, irrigation systems, and more. Our precision-crafted parts are at the heart of applications designed to increase efficiency and productivity in agricultural practices.

Request A Quote to Get Started On Your Investment Casting Project

From conceptualization to the final metal product in your hands, we are with you throughout the investment casting process. Contact our team of engineers for a free quote on your next project in Minneapolis, MN.

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