Cast Iron manufacturers in Wisconsin

10 companies in Wisconsin are listed below. U.S. machine shops, fabricators, foundries and other manufacturers whose own descriptions mention gray, ductile or cast iron. Confirm grades, stock and capabilities with the shop.

Listings come from each company’s public information and may be incomplete, so confirm capabilities, materials and certifications with the shop before you commit. The fastest way to get quotes is one request: attach your drawing (PDF or STEP) or describe the part, and Noramark routes it to U.S. shops that fit.

The most listings are in Milwaukee, WI (3), Bonduel, WI (2) and Glendale, WI (1). Certifications stated: 2 ISO 9001.