Northern Iron in St. Paul, MN (a Lawton Standard Company) positions itself as a single-source provider for machined castings ready to assemble, combining full-service iron foundry capabilities with in-house processing. The company emphasizes quality production across multiple iron types—including grey, ductile, and austempered ductile—using a five-furnace foundry and supporting technologies such as an in-house metallurgical lab and computerized solidification modeling. Beyond casting, it offers value-added machining with high-precision multi-axis equipment and production-ready finishing services like paint, subassembly, and shipping, serving major heavy industrial OEMs (including locomotive, construction, and agricultural sectors).