332420 — Metal Tank (Heavy Gauge) Manufacturing
Description
This industry comprises establishments primarily engaged in cutting, forming, and joining heavy gauge metal to manufacture tanks, vessels, and other containers (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
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 3443 - Fabricated Plate Work (via SIC1987:3443→NAICS1997:33242→2002:332420→2007:332420→2012:332420→2017:332420→2022:332420)
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 5430 — Storage Tanks
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 332420 valid in 2022? ▾
Yes, 332420 is a valid 6-digit 2022 NAICS national industry code representing 'Metal Tank (Heavy Gauge) Manufacturing' under Sector 31-33 in the official classification index.
What is the SBA size standard for NAICS code 332420? ▾
The Small Business Administration (SBA) has established a small business size standard of 750 employees for NAICS code 332420 (Metal Tank (Heavy Gauge) Manufacturing), calculated based on employees.
What is the legacy SIC equivalent for NAICS 332420? ▾
According to official Census Bureau concordance tables, NAICS code 332420 (Metal Tank (Heavy Gauge) Manufacturing) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 3443 - Fabricated Plate Work.
Related Pages & Tools
Further regulatory reference links for NAICS code 332420:
- 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 332420 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Metal Tank (Heavy Gauge) 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.