NAICS Code 331512 — Steel Investment Foundries
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 3 national industries under 33151 (Ferrous Metal Foundries).
| Code | 331512 |
|---|---|
| Title | Steel Investment Foundries |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | 1,050 employees |
Official definition (2022 NAICS)
This U.S. industry comprises establishments primarily engaged in manufacturing steel investment castings. Investment molds are formed by covering a wax shape with a refractory slurry. After the refractory slurry hardens, the wax is melted, leaving a seamless mold. Investment molds provide highly detailed, consistent castings. Establishments in this industry purchase steel made in other establishments.
Is a business under 331512 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 331512 qualifies as a small business if it does not exceed 1,050 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.
Where 331512 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 31-33 | Manufacturing |
| Subsector | 331 | Primary Metal Manufacturing |
| Industry Group | 3315 | Foundries |
| NAICS Industry | 33151 | Ferrous Metal Foundries |
| National Industry | 331512 | Steel Investment Foundries |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
3324 | Steel Investment Foundries |
Related National Industry codes
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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.