332311 — Prefabricated Metal Building and Component Manufacturing
Description
This U.S. industry comprises establishments primarily engaged in manufacturing prefabricated metal buildings, panels, and sections.
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
| NAICS Code | 332311 |
|---|---|
| Industry Title | Prefabricated Metal Building and Component Manufacturing |
| SBA Size Standard | 750 employees |
| U.S. Establishments | 867 (Census CBP, 2023) |
| IRS PBA Code | 332300 (rolled-up match) |
| Sectors Hierarchy | Sector 31-33 → 332 → 3323 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
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)
Related Resources & Compliance Guides
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.
- 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.
Related Industries in 3323
Frequently Asked Questions (FAQ)
Is 332311 a valid 2022 NAICS code?
NAICS 332311 is 'Prefabricated Metal Building and Component Manufacturing', a 2022 U.S. national industry under Sector 31-33 (Manufacturing); the SBA small-business size standard is 750 employees.
What is the SBA size standard for NAICS 332311?
The SBA small business size standard for NAICS 332311 is 750 employees (based on employees).
What is the legacy SIC code mapping for 332311?
NAICS code 332311 maps to the legacy 1987 SIC codes: 3448 - Prefabricated Metal Buildings and Components.