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NAICS Code· 331511

NAICS 331511: Iron Foundries

This U.S. industry comprises establishments primarily engaged in pouring molten pig iron or iron alloys into molds to manufacture castings (e.g., cast iron manhole covers, cast iron pipe, cast iron skillets). Establishments in this industry purchase iron made in other establishments. Cross-References.Show more

NAICS 331511 – Iron Foundries encompasses the production of iron castings through molding and pouring processes, including gray iron, ductile iron, and malleable iron products used in heavy industrial, defense, and infrastructure applications. This sector supports the manufacture of components such as engine blocks, valve bodies, gear housings, structural brackets, and pipe fittings that require high strength, vibration damping, and thermal stability.

60
Active Contracts
$338K
Total Obligations (12mo)
7
Awarded Contracts (12mo)
6
Contractors Awarded (12mo)
2
Median Bidders per Award
-12.7%
YoY Growth
Dotted
NAICS 331511 FAQ

Frequently Asked Questions

NAICS code 331511 covers Iron Foundries. This U.S. industry comprises establishments primarily engaged in pouring molten pig iron or iron alloys into molds to manufacture castings (e.g., cast iron manhole covers, cast iron pipe, cast iron skillets). Establishments in this industry purchase iron made in other establishments. Cross-References.

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