# NAICS 332811: Metal Heat Treating

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [332811 Metal Heat Treating](https://bidrover.com/naics/332811)

This U.S. industry comprises establishments primarily engaged in heat treating, such as annealing, tempering, and brazing, and cryogenically treating metals and metal products for the trade.

- NAICS code: 332811
- Title: Metal Heat Treating
- Sector: 31-33 Manufacturing
- Subsector: 332 Fabricated Metal Product Manufacturing
- Industry group: 3328 Coating, Engraving, Heat Treating, and Allied Activities
- NAICS industry: 33281 Coating, Engraving, Heat Treating, and Allied Activities
- SBA size standard: 750 employees
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 332811?

NAICS 332811 is "Metal Heat Treating" in the 2022 North American Industry Classification System, in sector 31-33 (Manufacturing). This U.S. industry comprises establishments primarily engaged in heat treating, such as annealing, tempering, and brazing, and cryogenically treating metals and metal products for the trade.

### What is the SBA size standard for NAICS 332811?

A business is small under NAICS 332811 at or below 750 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 332811?

No open bid in BidRover cites NAICS 332811 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.

### How do I get alerts for NAICS 332811 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers](https://bidrover.com/naics/332812)
- [332813 Electroplating, Plating, Polishing, Anodizing, and Coloring](https://bidrover.com/naics/332813)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.