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. It has no schema of its own: companies here are mapped on the Manufacturing schema, and what it does not cover is recorded as gaps.
- Baseline
- Manufacturing v2
- Inherited from
- Manufacturing
- Mapped on the schema
- 0 of 0 placed here
- Primitives
- 57 in 8 parts
- Last updated
- Nov 2, 2026
The numbers for this industry
United States · 2023 · NAICS 331511- Establishments
- 269
- Employees
- 32,020
- Annual payroll
- $2.3B
- Payroll per employee
- $72.3K
Establishments by number of employees
- 1-426
- 5-920
- 10-1932
- 20-4954
- 50-9948
- 100-24948
- 250-49930
- 500-99910
Source: US Census Bureau, County Business Patterns 2023 (national file), employees as of mid-March 2023, payroll for the year; published 2025-06-26. Coded on NAICS 2017. Withheld cells read as not published.
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