NAICS 2022 subsector USA Verified: Census NAICS 2022 · 2026-01-01
811
NAICS 811 — Repair and Maintenance
Repair and Maintenance
NAICS 811 is the subsector code for repair and maintenance 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 811 (4)
Exclusions & Cross-References
Activities classified under other official NAICS codes:
- rebuilding machinery and equipment on a factory basis (See 31-33 Manufacturing)
- repair of construction works or components (See 23 Construction)
- repairing transportation equipment at airports, seaports and other transportation facilities (See 488 Support activities for transportation)
- retailing and repair activities (e.g., automobile dealers) (See 44-45 Retail trade)
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.