Phone: 651-778-3300 Fax: 651-778-1321 867 Forest Street, St. Paul, MN 55106
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  • Transportation & Power Generation Certification
  • Osborn Automated Tight Flask Molding Machine
    Iron castings, design analysis,
    3D Printing for Risers, Gating,
    Patterns, Coreboxes and Machining.
  • Single Source Solution for Machined Castings
    Single Source Solution for Machined
    Castings Ready to Assemble.
  • design to completely finished iron castings
  • highest quality iron castings

Northern Iron & Machine is a full service iron foundry with in-house metallurgical lab and computerized solidification modeling. We produce grey castings, austempered ductile and ductile castings to the standards required including ASTM A536, SAE J434, ASTM A48, SAE J431.   Get a Quote!

Iron Castings

Northern Iron & Machine produces the highest quality iron castings in our five-furnace foundry. Grey, ductile and austempered ductile iron castings up to 250 lbs. Read more →


Let us add some value to your iron castings by providing a machined casting. Our four axis machines are capable of tolerances to ±0.0005 in.
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Production line ready components can save you a lot time and money. Northern Iron and Machine offers paint, subassembly and shipping to fit your needs. Read more →