Quaker City Castings, located in Salem, Ohio, is a no-bake sand foundry and centrifugal foundry that produces a wide variety of iron castings, steel castings, and nickel-alloy castings for a wide variety of industrial applications. Quaker produces high performance engine components including diesel engine piston rings and cylinder sleeves under their "PowerBore" brand.

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Quaker City Castings has been family-owned since 1932 and have earned a reputation as a supplier of some of the highest quality sand castings and centrifugal castings in the world.