NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 332420 — Metal Tank (Heavy Gauge) Manufacturing

Metal Tank (Heavy Gauge) Manufacturing

NAICS 332420 is the national industry code for metal tank (heavy gauge) manufacturing establishments in the United States. The Small Business Administration sets a size standard of 750 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: 750 View full SBA standard

Official Inclusions

fabricating and erecting large storage tanks, which must be assembled at the site

Exclusions & Cross-References

Activities classified under other official NAICS codes:

manufacturing tanks for tank trucks (See 33621 Motor vehicle body and trailer manufacturing)

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

bulk storage tanks, heavy gauge steel, manufacturing cylinders, pressure, manufacturing oil and gas storage tanks, heavy gauge metal, manufacturing pots (e.g., annealing, melting, smelting), heavy gauge metal, manufacturing septic tanks, heavy gauge metal, manufacturing vacuum tanks, heavy gauge metal, manufacturing

Complete Index of Activities (34 recognized activities) ▼

absorbers, gas, manufacturing

accumulators (i.e., industrial pressure vessels), manufacturing

acetylene cylinders, manufacturing

air receiver tanks, heavy gauge metal, manufacturing

annealing vats, heavy gauge metal, manufacturing

autoclaves, industrial type, manufacturing

bulk storage tanks, heavy gauge steel, manufacturing

caissons, for underwater work, metal, manufacturing

columns, fractionating, manufacturing

cryogenic tanks, manufacturing

cylinders, pressure, manufacturing

digesters, industrial type, manufacturing

fabricating and erecting large storage tanks, which must be assembled at the site

farm storage tanks, heavy gauge metal, manufacturing

fermentation tanks (e.g., anaerobic digester), heavy gauge metal, manufacturing

heavy gauge containers specially designed for use by one or more modes of transportation, including tanks for tanker trailers, manufacturing

kettles, heavy gauge metal, manufacturing

liquefied petroleum gas (LPG) cylinders, manufacturing

liquid oxygen tanks, manufacturing

nuclear waste casks, heavy gauge metal, manufacturing

oil and gas storage tanks, heavy gauge metal, manufacturing

petroleum storage tanks, heavy gauge metal, manufacturing

pots (e.g., annealing, melting, smelting), heavy gauge metal, manufacturing

propane gas cylinders, manufacturing

retorts, heavy gauge metal, manufacturing

septic tanks, heavy gauge metal, manufacturing

smelting pots and retorts, manufacturing

stainless steel tanks for food manufacturing

storage tanks, heavy gauge metal, manufacturing

tanks, heavy gauge metal, manufacturing

vacuum tanks, heavy gauge metal, manufacturing

vats, heavy gauge metal, manufacturing

vessels, heavy gauge metal, manufacturing

water tanks, heavy gauge metal, manufacturing

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/