ISO Certified
at all locations
Iron and steel castings
machining and value added services
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Machine Shop

From casting to finished component.

Our trusted machine shop partners provide precision machining for complex and large castings, reducing lead times and ensuring parts are ready for assembly or delivery. Together, we offer a seamless path from poured metal to performance-ready solutions.

Click to learn more about our offerings by location.

Or contact us to talk with a casting expert.

Lawton Grafton

Lawton Grafton (formerly Wisconsin Precision Machining Company and RMG Grafton) is now part of The Lawton Standard Co. This precision machining facility brings decades of expertise in high-tolerance components and serves as a vital part of Lawton’s integrated supply network.

Lawton Anniston

RMG, also known as Lawton Anniston, produces complex ductile iron castings ranging from 5 to 150 pounds, serving industries such as transportation, agriculture, and construction. With in-house pattern and machine shops, they offer specialty grades, scalable volumes, and precision support.

Lawton St. Paul

Lawton St. Paul (formerly Northern Iron & Machine) is a robust iron foundry in St. Paul, Minnesota. As part of the Lawton Standard Co., we deliver precision-engineered heavy castings for industries like transportation, energy, and infrastructure. Backed by modern foundry techniques, strong engineering support, and ISO-certified quality systems, Lawton St. Paul provides reliable, high-performance components tailored to your exacting specifications.

Lawton Continuous Cast – American Iron

Lawton Continuous Cast (formerly American Iron), a division of Lawton Standard, is North America’s leading continuous‑cast iron supplier. Based in Waukesha, WI, with additional distribution centers, we offer a full range of metallurgically superior products—bars, rods, tubes, plates, and custom-cut pieces—available in gray and ductile iron (V-2, V-3, V-4). Manufactured using a continuous cast process, our iron delivers improved strength, machinability, and wear resistance compared to traditional alternatives.

Lawton De Pere

Producing large iron castings, 400 pounds – 20,000 pounds (30,000 pounds for low-volume requirements), and machined components on-site for five generations!