NAICS Code 331511 – Iron Foundries
Official 6-digit NAICS national industry U.S. Census Bureau NAICS 2022
At a glance
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Related SIC
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Industry examples
Census industry examples, shown as published.
- Cast iron brake shoes, railroad, manufacturing
- Cast iron pipe and pipe fittings manufacturing
- Cast iron railroad car wheels manufacturing
- Castings, compacted graphite iron, unfinished, manufacturing
- Castings, malleable iron, unfinished, manufacturing
- Castings, unfinished iron (e.g., ductile, gray, malleable, semisteel), manufacturing
- Cooking utensils, cast iron, manufacturing
- Ductile iron castings, unfinished, manufacturing
- Ductile iron foundries
- Fittings, soil and pressure pipe, cast iron, manufacturing
Show all industry examples
- Foundries, iron (i.e., ductile, gray, malleable, semisteel)
- Gray iron foundries
- Industrial molds, steel ingot, manufacturing
- Iron castings, unfinished, manufacturing
- Iron foundries
- Malleable iron foundries
- Manhole covers, cast iron, manufacturing
- Molds for casting steel ingots manufacturing
- Molds, steel ingot, industrial, manufacturing
- Pearlitic castings, malleable iron, unfinished, manufacturing
- Pipe and pipe fittings, cast iron, manufacturing
- Pipe couplings, cast iron, manufacturing
- Rolling mill rolls, iron, manufacturing
- Semisteel foundries
- Sewer pipe, cast iron, manufacturing
- Soil pipe, cast iron, manufacturing
- Water pipe, cast iron, manufacturing
Official definition
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.
Source: U.S. Census Bureau, NAICS 2022
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Business Lists & Company Data for NAICS 331511 - Iron Foundries
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Preview · details masked| Company | Contact & title | Website | Phone | Employees |
|---|---|---|---|---|
| Hiler Industries Inc La Porte, IN | ||||
| Waupaca Foundry Inc Marinette, WI | ||||
| Brillion Iron Works Inc Brillion, WI |
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Hiler Industries Inc · La Porte, IN
Contact Website Phone Employees -
Waupaca Foundry Inc · Marinette, WI
Contact Website Phone Employees
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More specific segments in NAICS 331511
Segments let you target only the companies you need. Add one or more to your list to get pricing and a free sample.
344 U.S. companies across 12 segments · Segment codes are 8-digit commercial segments that extend the official 6-digit NAICS code. They are not official Census NAICS codes.
| Code | Segment | U.S. companies | Build your list |
|---|---|---|---|
| 331511-01 | Castings-Iron (Manufacturing) | 10 10 companies | |
| 331511-02 | Foundries-Ductile Iron (Manufacturing) | ||
| 331511-03 | Foundries-Gray Iron (Manufacturing) | 3 3 companies | |
| 331511-04 | Foundries-Iron (Manufacturing) | 20 20 companies | |
| 331511-05 | Foundries-Malleable Iron (Manufacturing) | 4 4 companies | |
| 331511-06 | Gray & Ductile Iron Foundries (Manufacturing) | 12 12 companies | |
| 331511-07 | Manhole Covers (Manufacturing) | 11 11 companies | |
| 331511-08 | Sash Balances & Weights (Manufacturing) | 1 1 company | |
| 331511-09 | Foundries-Nickel & Alloys (Manufacturing) | 9 9 companies | |
| 331511-10 | Sewer Pipe (Retail) (Manufacturing) | 10 10 companies | |
| 331511-11 | Cooking Utensils (Manufacturing) | 4 4 companies | |
| 331511-12 | Castings (Manufacturing) | 260 260 companies |
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Example companies
See how SICCODE.com evaluates businesses using documented activities and official definitions. Select a company to review its classification and the reasoning behind it.
344 verified U.S. companies
- Keetac Keewatin, MN View classification →
- Nfc Castings Inc Wichita, KS View classification →
- Advanced Cast Products Inc Meadville, PA View classification →
- McWane Ductile Provo, UT View classification →
- Osco Industries Inc Portsmouth, OH View classification →
- Saint Gobain Containers Milford, MA View classification →
- Eramet Marietta Inc Coraopolis, PA View classification →
- Casting Solutions Zanesville, OH View classification →
Key facts
- Code
- 331511
- Classification level
- Official 6-digit NAICS national industry
- Official source
- U.S. Census Bureau · NAICS 2022
- SBA size standard
- 1,000 employees
- Related SIC
- 3321 Gray and Ductile Iron Foundries +1 more
SBA size standard effective March 17, 2023. Source: U.S. Small Business Administration Table of Size Standards →
Industry statistics
2022 Economic Census
- Establishments
- 259
- Employees
- 32,389
- Annual payroll
- $2,179,829,000
- Sales, value of shipments, or revenue
- $11,890,929,000
Why do company counts differ?
The U.S. Economic Census counts establishments with paid employees that operated during the census year, including businesses that may have since closed. Its industry classifications draw on business-reported information and government records. SICCODE.com's counts reflect verified business records currently available for purchase, with classifications based on documented business activities. Differences in reporting periods, database coverage, classification methods and verification criteria mean the totals may differ.
2025 International Trade
- U.S. imports
- $924,249,514
- U.S. exports
- $354,697,691
- Trade balance
- -$569,551,823
Official commodity description: Iron Foundries
Trade surplus partners are countries where the value of U.S. exports exceeds U.S. imports. Trade deficit partners are countries where the value of U.S. imports exceeds U.S. exports.
Top import origins
| India | $287,317,897 |
| China | $217,233,778 |
| Canada | $83,456,551 |
| Thailand | $73,467,874 |
| Mexico | $68,493,316 |
| Vietnam | $43,356,441 |
| Taiwan | $21,412,722 |
| Indonesia | $17,678,875 |
| Israel | $16,807,090 |
| Germany | $14,274,514 |
Top export destinations
| Canada | $210,976,950 |
| Mexico | $56,060,239 |
| United Arab Emirates | $5,161,596 |
| Dominican Republic | $4,638,799 |
| United Kingdom | $4,360,800 |
| Turkey | $4,010,203 |
| Australia | $3,680,114 |
| Japan | $3,343,979 |
| China | $3,191,088 |
| Peru | $3,158,085 |
Trade surplus partners
| Canada | $127,520,399 |
| United Arab Emirates | $5,076,900 |
| Dominican Republic | $4,598,799 |
| Australia | $3,146,639 |
| Bahamas | $3,110,758 |
| Saudi Arabia | $3,088,241 |
| Peru | $3,052,690 |
| Guatemala | $2,331,659 |
| Mali | $1,799,224 |
| Argentina | $1,682,506 |
Trade deficit partners
| India | -$285,593,599 |
| China | -$214,042,690 |
| Thailand | -$73,035,536 |
| Vietnam | -$42,869,154 |
| Taiwan | -$20,706,385 |
| Indonesia | -$17,555,862 |
| Israel | -$16,508,462 |
| Germany | -$12,527,134 |
| Mexico | -$12,433,077 |
| Korea, South | -$9,681,634 |
Historical statistics
2017 Economic Census and 2018 International Trade
2017 Economic Census
- Establishments (2017)
- 545
- Paid employees (2017)
- 31,756
- Revenue (2017)
- $9,075,033,000
- Annual payroll (2017)
- $1,829,450,000
2018 International Trade
- U.S. imports (2018)
- $1,217,587,622
- U.S. exports (2018)
- $731,735,291
- Balance of trade (2018)
- -$485,852,331
Official commodity description: Iron Foundries
Trade surplus partners are countries where the value of U.S. exports exceeds U.S. imports. Trade deficit partners are countries where the value of U.S. imports exceeds U.S. exports.
Top import origins
| China | $611,936,797 |
| India | $156,856,138 |
| Mexico | $104,971,382 |
| France | $67,994,769 |
| Canada | $44,512,745 |
Top export destinations
| Canada | $247,432,682 |
| Mexico | $164,154,325 |
| China | $39,888,829 |
| India | $19,865,292 |
| Germany | $19,370,949 |
Trade surplus partners
| Canada | $202,919,937 |
| Mexico | $59,182,943 |
| Saudi Arabia | $16,962,903 |
| Belgium | $8,335,191 |
| Singapore | $7,149,007 |
Trade deficit partners
| China | -$572,047,968 |
| India | -$136,990,846 |
| France | -$58,679,955 |
| Japan | -$32,069,044 |
| Thailand | -$16,849,804 |
Cross-references
- Establishments primarily engaged in manufacturing iron castings and further manufacturing them into finished products are classified based on the specific finished product
NAICS classification hierarchy
Five official Census levels, from sector to national industry, plus a commercial extended level.
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National industry 331511 Iron Foundries
One example classification path is shown. Other branches may exist. Extended 8-digit codes are commercial segments, not official Census NAICS codes.
Related classifications
Correspondences in SIC, ISIC and NACE Rev. 2.1. These mappings do not replace the official Census definition.
| System | Code | Title |
|---|---|---|
| NAICS This page | 331511 | Iron Foundries |
| SIC | 3321 | Gray and Ductile Iron Foundries Gray and Ductile Iron Foundries |
| SIC | 3322 | Malleable Iron Foundries Malleable Iron Foundries |
| ISIC Rev. 4 | 2431 | Casting Of Iron And Steel Casting Of Iron And Steel Except iron rolling mill rolls and steel ingot molds |
| ISIC Rev. 4 | 2823 | Manufacture Of Machinery For Metallurgy Manufacture Of Machinery For Metallurgy Iron rolling mill rolls and steel ingot molds |
| NACE Rev. 2.1 (via ISIC 2431) | 24.51 | Casting of iron Casting of iron |
| NACE Rev. 2.1 (via ISIC 2431) | 24.52 | Casting of steel Casting of steel |
| NACE Rev. 2.1 (via ISIC 2823) | 28.91 | Manufacture of machinery for metallurgy Manufacture of machinery for metallurgy |
Source: Eurostat, NACE Rev. 2.1 to ISIC Rev. 5 correspondence; United Nations Statistics Division, ISIC Rev. 4 to ISIC Rev. 5 correspondence table.
Sources
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Official classification source U.S. Census Bureau.
North American Industry Classification System (2022), NAICS 331511. U.S. Census Bureau → -
SICCODE.com commercial data Company-record counts, coverage, and related commercial data are maintained by SICCODE.com. Methodology →
SICCODE.com is an independent publisher. Official NAICS titles and definitions come from the U.S. Census Bureau. Commercial database counts are SICCODE.com records.
About this classification
This page combines the official U.S. Census Bureau NAICS definition with classification crosswalks and SICCODE.com commercial data. Classifications are reviewed regularly by the Classification Review Team.