NAICS 331512: Steel Investment Foundries
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.
- NAICS code
- 331512
- Title
- Steel Investment Foundries
- Sector
- 31-33 Manufacturing
- Subsector
- 331 Primary Metal Manufacturing
- Industry group
- 3315 Foundries
- NAICS industry
- 33151 Ferrous Metal Foundries
- SBA size standard
- 1,050 employees
- Open bids on BidRover
- 0
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What is NAICS code 331512?
NAICS 331512 is "Steel Investment Foundries" in the 2022 North American Industry Classification System, in sector 31-33 (Manufacturing). 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.
What is the SBA size standard for NAICS 331512?
A business is small under NAICS 331512 at or below 1,050 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.
How many government bids are open under NAICS 331512?
No open bid in BidRover cites NAICS 331512 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.
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Title and definition: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022. Size standard: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201 (eCFR text as of Oct 21, 2026). Bid counts come from official public sources and refresh every hour; confirm the code and size standard in each solicitation.