NAICS 2022 subsector USA Verified: Census NAICS 2022 · 2026-01-01
541
NAICS 541 — Professional, Scientific, and Technical Services
Professional, Scientific, and Technical Services
NAICS 541 is the subsector code for professional, scientific, and technical services 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 541 (9)
5411
Legal Services
5412
Accounting, Tax Preparation, Bookkeeping, and Payroll Services
5413
Architectural, Engineering, and Related Services
5414
Specialized Design Services
5415
Computer Systems Design and Related Services
5416
Management, Scientific, and Technical Consulting Services
5417
Scientific Research and Development Services
5418
Advertising, Public Relations, and Related Services
5419
Other Professional, Scientific, and Technical Services
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.