332311 — Prefabricated Metal Building and Component Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in manufacturing prefabricated metal buildings, panels, and sections (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- 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.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 3448 - Prefabricated Metal Buildings and Components (via SIC1987:3448→NAICS1997:332311→2002:332311→2007:332311→2012:332311→2017:332311→2022:332311)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 5410 — Prefabricated and Portable Buildings
- PSC 5440 — Scaffolding Equipment and Concrete Forms
- PSC 5445 — Prefabricated Tower Structures
- PSC 5450 — Miscellaneous Prefabricated Structures
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 332311 valid in 2022? ▾
Yes, 332311 is a valid 6-digit 2022 NAICS national industry code representing 'Prefabricated Metal Building and Component Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 332311? ▾
The Small Business Administration (SBA) has established a small business size standard of 750 employees for NAICS code 332311 (Prefabricated Metal Building and Component Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 332311? ▾
According to official Census Bureau concordance tables, NAICS code 332311 (Prefabricated Metal Building and Component Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3448 - Prefabricated Metal Buildings and Components.
Related Pages & Tools
Further regulatory reference links for NAICS code 332311:
- Sector 31-33 Directory Hub — List of related industries in the Manufacturing sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 332311 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Prefabricated Metal Building and Component Manufacturing).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.