NAICS 2022 industry USA Verified: Census NAICS 2022 · 2026-01-01
33451
NAICS 33451 — Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
NAICS 33451 is the NAICS industry code for navigational, measuring, electromedical, and control instruments 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 33451 (9)
334510
Electromedical and Electrotherapeutic Apparatus Manufacturing
SBA: 1,250 334511
Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
SBA: 1,350 334512
Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
SBA: 650 334513
Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
SBA: 750 334514
Totalizing Fluid Meter and Counting Device Manufacturing
SBA: 850 334515
Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
SBA: 750 334516
Analytical Laboratory Instrument Manufacturing
SBA: 1,000 334517
Irradiation Apparatus Manufacturing
SBA: 1,200 334519
Other Measuring and Controlling Device Manufacturing
SBA: 600 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.