332311

Prefabricated Metal Building and Component Manufacturing

Manufacturing › Fabricated Metal Product Manufacturing › Architectural and Structural Metals Manufacturing

SBA Size Standard

750 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

33

Sector

Manufacturing

332

Subsector

Fabricated Metal Product Manufacturing

3323

Industry Group

Architectural and Structural Metals Manufacturing

332311

National Industry (This Code)

Prefabricated Metal Building and Component Manufacturing

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 manufacturing prefabricated metal buildings, panels, and sections.

✓ 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 332311

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:

Making manufactured homes (i.e., mobile homes) and prefabricated wood buildings--are classified in Industry 32199, All Other Wood Product Manufacturing;
Constructing prefabricated buildings on site--are classified in Subsector 236, Construction of Buildings; and
Manufacturing metal windows and doors--are classified in U.S. Industry 332321, Metal Window and Door Manufacturing.

How to Use NAICS 332311 in SAM.gov

NAICS code 332311Prefabricated Metal Building and Component Manufacturing — 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 Architectural and Structural Metals Manufacturing 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 332311.

Log in Entity Registration Goods & Services Add NAICS Code Enter 332311 Save

Frequently Asked Questions

What is NAICS code 332311?

NAICS code 332311 is 'Prefabricated Metal Building and Component Manufacturing', classified under the Manufacturing sector (NAICS 33). This U.S. industry comprises establishments primarily engaged in manufacturing prefabricated metal buildings, panels, and sections. Cross-References. Establishments primarily engaged in--

What is the SBA small business size standard for NAICS code 332311?

The SBA defines a small business under NAICS code 332311 (Prefabricated Metal Building and Component Manufacturing) 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 332311 in SAM.gov?

To register NAICS code 332311 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 332311 (Prefabricated Metal Building and Component Manufacturing) to your NAICS code list. You may designate one code as your Primary NAICS code.

Quick Actions

Related NAICS Codes

Other codes in Architectural and Structural Metals Manufacturing

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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