NAICS 332312:
Fabricated Structural Metal Manufacturing
This U.S. industry comprises establishments primarily engaged in fabricating structural metal products, such as assemblies of concrete reinforcing bars and fabricated bar joists.
Steel joists manufacturingFabricated bar joists manufacturingSteel railroad car racks manufacturing+1 example
Fabricated structural metal manufacturing
Matching SIC code: 3441 Fabricated Structural Metal (also 3449 Miscellaneous Structural Metal Work)
Where it sits
- 31-33ManufacturingSector
- 332Fabricated Metal Product ManufacturingSubsector
- 3323Architectural and Structural Metals ManufacturingIndustry group
- 33231Plate Work and Fabricated Structural Product ManufacturingNAICS industry
- 332312Fabricated Structural Metal ManufacturingNational industry
Largest companies with NAICS 332312
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 |  Valmont Industries, Inc.valmont.com | Omaha, US | 5.1K |
| 2 |  Contech Engineered Solutionsconteches.com | West Chester Township, US | 1.4K |
| 3 |  Sabre Industries, Inc.sabreindustries.com | Alvarado, US | 1.3K |
| 4 |  SAE Towerssaetowers.com | Houston, US | 1.2K |
| 5 |  Vulcraft Verco - Division of Nucor Corpvulcraft.com | Charlotte, US | 1.1K |
| 6 |  Dexco Racksdexcoracks.com | Leola, US | 949 |
| 7 |  Tatetateglobal.com | Columbia, US | 938 |
| 8 |  EFCO Forming & Shoring Solutionsefcoforms.com | Des Moines, US | 938 |
| 9 |  New Millenniumnewmill.com | Fort Wayne, US | 872 |
| 10 |  W&W|AFCO Steelwwafcosteel.com | Oklahoma City, US | 830 |
Not this code?
Similar activities the Census classifies elsewhere.
- 331110Iron and Steel Mills and Ferroalloy ManufacturingManufacturing concrete reinforcing bars in an iron and steel mill
- 23ConstructionConstructing buildings, bridges, and other heavy construction projects on site
- 331221Rolled Steel Shape ManufacturingManufacturing concrete reinforcing bar by rolling and drawing steel from purchased steel
- 33661Ship and Boat BuildingBuilding ships, boats, and barges
Questions about NAICS 332312
Which businesses use NAICS 332312?
Steel joists manufacturing, fabricated bar joists manufacturing and steel railroad car racks manufacturing, and similar businesses in the Manufacturing sector. This U.S.
What SIC code matches NAICS 332312?
SIC 3441, Fabricated Structural Metal; SIC 3449, Miscellaneous Structural Metal Work, from the US Census Bureau's concordance between the two systems.
How many companies have NAICS 332312?
4,984 companies with a website carry NAICS 332312 as their primary code in Crustdata's data, worldwide.
Find any company's NAICS codeType a company name or website and get its codes with their titles.
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Sign up freeCode titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.