332811

Metal Heat Treating

Manufacturing › Fabricated Metal Product Manufacturing › Coating, Engraving, Heat Treating, and Allied Activities

SBA Size Standard

750 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

332

Subsector

Fabricated Metal Product Manufacturing

3328

Industry Group

Coating, Engraving, Heat Treating, and Allied Activities

332811

National Industry (This Code)

Metal Heat Treating

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
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.

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

750 employees

Measurement Period

Current count

Standard Type

Employee-Based

Applies To

All contracts under NAICS 332811

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Establishments primarily engaged in both fabricating and heat treating metal products are classified in the Manufacturing sector according to the product made.

How to Use NAICS 332811 in SAM.gov

NAICS code 332811Metal Heat Treating — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Coating, Engraving, Heat Treating, and Allied Activities space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 750 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 332811.

Log in Entity Registration Goods & Services Add NAICS Code Enter 332811 Save

Frequently Asked Questions

What is NAICS code 332811?

NAICS code 332811 is 'Metal Heat Treating', classified under the Manufacturing sector (NAICS 33). 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. Cross-Re

What is the SBA small business size standard for NAICS code 332811?

The SBA defines a small business under NAICS code 332811 (Metal Heat Treating) as one with 750 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 332811 in SAM.gov?

To register NAICS code 332811 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 332811 (Metal Heat Treating) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related NAICS Codes

Other codes in Coating, Engraving, Heat Treating, and Allied Activities

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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