NAICS 2022 subsector USA Verified: Census NAICS 2022 · 2026-01-01
333
NAICS 333 — Machinery Manufacturing
Machinery Manufacturing
NAICS 333 is the subsector code for machinery manufacturing establishments in the United States. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.
Child industry codes in 333 (7)
3331
Agriculture, Construction, and Mining Machinery Manufacturing
3332
Industrial Machinery Manufacturing
3333
Commercial and Service Industry Machinery Manufacturing
3334
Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing
3335
Metalworking Machinery Manufacturing
3336
Engine, Turbine, and Power Transmission Equipment Manufacturing
3339
Other General Purpose Machinery 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/ |
NAICS hierarchy path
Trace the classification from the broadest sector down to this national industry code.