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interstate , castings , Indianapolis, austempered ductile iron , ADI ,ferrous , ISO 9001 certified ,iron , nodular iron , short run , industrial , cast iron, foundry castings, ductile iron castings , gray iron castings , cast, machinery replacement parts , prototype castings , sand castings , foundries

Interstate Castings

Company History

Founded in 1883, Interstate Castings began by manufacturing complete railroad cars.  Since that time, we have evolved into a high quality supplier of gray, ductile, and austempered iron castings in a wide range of quantities, in sizes from mere ounces to as much as 1,500 pounds.

We continue to combine the "art" of original foundry practices with the science and technology of our modern world.

The spirit of our special group of people has allowed us to progressively shape our company to properly meet the many wonderful and exciting opportunities that our customers continue to share with us.

We believe that we have the finest group of customers in the world.


We invite you to join them!



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