NAICS Code 334519 — Other Measuring and Controlling Device Manufacturing
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 9 national industries under 33451 (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing).
| Code | 334519 |
|---|---|
| Title | Other Measuring and Controlling Device Manufacturing |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | 600 employees |
Official definition (2022 NAICS)
This U.S. industry comprises establishments primarily engaged in manufacturing measuring and controlling devices (except search, detection, navigation, guidance, aeronautical, and nautical instruments and systems; automatic environmental controls for residential, commercial, and appliance use; instruments for measurement, display, and control of industrial process variables; totalizing fluid meters and counting devices; instruments for measuring and testing electricity and electrical signals; analytical laboratory instruments; irradiation equipment; and electromedical and electrotherapeutic apparatus).
Illustrative Examples:
Aircraft engine instruments manufacturing
Automotive emissions testing equipment manufacturing
Clocks assembling
Meteorological instruments manufacturing
Physical properties testing and inspection equipment manufacturing
Polygraph machines manufacturing
Radiation detection and monitoring instruments manufacturing
Surveying instruments manufacturing
Thermometers, liquid-in-glass and bimetal types (except medical), manufacturing
Watches (except smartwatches) and parts (except crystals) manufacturing
Is a business under 334519 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 334519 qualifies as a small business if it does not exceed 600 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.
Where 334519 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 31-33 | Manufacturing |
| Subsector | 334 | Computer and Electronic Product Manufacturing |
| Industry Group | 3345 | Navigational, Measuring, Electromedical, and Control Instruments Manufacturing |
| NAICS Industry | 33451 | Navigational, Measuring, Electromedical, and Control Instruments Manufacturing |
| National Industry | 334519 | Other Measuring and Controlling Device Manufacturing |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
3599 | Industrial and Commercial Machinery and Equipment, Not Elsewhere Classified |
3829 | Measuring and Controlling Devices, Not Elsewhere Classified |
Related National Industry codes
334510— Electromedical and Electrotherapeutic Apparatus Manufacturing334511— Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing334512— Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use334513— Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables334514— Totalizing Fluid Meter and Counting Device Manufacturing334515— Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334516— Analytical Laboratory Instrument Manufacturing334517— Irradiation Apparatus Manufacturing
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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.