2022 NAICS national industry in sector 31-33 Manufacturing
334519 Other Measuring and Controlling Device Manufacturing
NAICS 334519 is the US industry code for other measuring and controlling device manufacturing. This U.S.
- Code
- 334519 (2022 NAICS)
- Title
- Other Measuring and Controlling Device Manufacturing
- Part of
- Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
- SBA small business limit
- Up to 600 employees
- Closest UK SIC
- 26511, 26512, 26513, 26514 and 1 more (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
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).
Examples Census gives
- 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
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Manufacturing medical thermometers are classified in U.S. Industry 339112, Surgical and Medical Instrument Manufacturing.
- Manufacturing search, detection, navigation, guidance, aeronautical, and nautical systems and instruments are classified in U.S. Industry 334511, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing.
- Manufacturing automatic controls and regulators for applications, such as heating, air-conditioning, refrigeration and appliances are classified in U.S. Industry 334512, Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use.
- Manufacturing instruments and related devices that measure, display, or control (i.e., monitor or analyze) industrial process variables are classified in U.S. Industry 334513, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables.
- Manufacturing totalizing (i.e., registering) fluid meters and counting devices, including motor vehicle gauges are classified in U.S. Industry 334514, Totalizing Fluid Meter and Counting Device Manufacturing.
- Manufacturing instruments for measuring and testing the characteristics of electricity and electrical signals are classified in U.S. Industry 334515, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals.
- Manufacturing instruments for laboratory analysis of the physical composition or concentration of samples of solid, fluid, gaseous, or composite materials are classified in U.S. Industry 334516, Analytical Laboratory Instrument Manufacturing.
- Manufacturing X-ray apparatus, tubes, or related irradiation apparatus are classified in U.S. Industry 334517, Irradiation Apparatus Manufacturing.
- Manufacturing electromedical and electrotherapeutic apparatus are classified in U.S. Industry 334510, Electromedical and Electrotherapeutic Apparatus Manufacturing.
- Manufacturing glass watch and clock crystals are classified in Industry 32721, Glass and Glass Product Manufacturing.
- Manufacturing plastics watch and clock crystals are classified in U.S. Industry 326199, All Other Plastics Product Manufacturing.
- Manufacturing timing relays are classified in U.S. Industry 335314, Relay and Industrial Control Manufacturing.
- Manufacturing smartwatches are classified in Industry 334220, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing.
Activities listed under 334519
The Census index assigns these 117 activities to this code. If your business matches one, this is your code.
- Abrasion testing machines manufacturing
- Accelerometers (except aerospace type) manufacturing
- Actinometers, meteorological, manufacturing
- Aircraft engine instruments manufacturing
- Alarm clocks manufacturing
- Alidades, surveying, manufacturing
- Appliance timers manufacturing
- Automotive emissions testing equipment manufacturing
- Barographs manufacturing
- Barometers manufacturing
- Breath alcohol testing devices manufacturing
- Breathalyzers manufacturing
- Ceilometers manufacturing
- Chains, surveyor's, manufacturing
- Chronographs manufacturing
- Chronometers manufacturing
- Clock materials and parts (except crystals) manufacturing
- Clock or watch springs, precision, made from purchased wire
- Clocks assembling
- Clocks assembling from purchased components
- Commercial timing mechanisms manufacturing
- Compasses, portable magnetic-type, manufacturing
- Count rate meters, nuclear radiation, manufacturing
- Dating devices and machines (except rubber stamps) manufacturing
- Detectors, scintillation, manufacturing
- Dosimetry devices manufacturing
- Drafting instruments manufacturing
- Dynamometers manufacturing
- Evaporation meters manufacturing
- Fatigue testing machines, industrial, mechanical, manufacturing
- Fire detector systems, nonelectric, manufacturing
- Fuel densitometers, aircraft engine, manufacturing
- Fuel mixture indicators, aircraft engine, manufacturing
- Fuel system instruments, aircraft, manufacturing
- Fuel totalizers, aircraft engine, manufacturing
- Galvanometers, geophysical, manufacturing
- Gas leak detectors manufacturing
- Geiger counters manufacturing
- Geophysical instruments manufacturing
- Hand stamps (e.g., date, time), timing mechanism operated, manufacturing
- Hardness testing equipment manufacturing
- Household-type timing mechanisms manufacturing
- Humidity instruments (except industrial process and air-conditioning type) manufacturing
- Hydrometers (except industrial process-type) manufacturing
- Hygrometers (except industrial process-type) manufacturing
- Hygrothermographs manufacturing
- Indicator testers, turntable, manufacturing
- Instrumentation for reactor controls, auxiliary, manufacturing
- Ion chambers manufacturing
- Kinematic test and measuring equipment manufacturing
- Leak detectors, water, manufacturing
- Level gauges, radiation-type, manufacturing
- Levels and tapes, surveying, manufacturing
- Lie detectors manufacturing
- Magnetometers manufacturing
- Mechanisms, clockwork operated device, manufacturing
- Metal detectors manufacturing
- Meteorologic tracking systems manufacturing
- Meteorological instruments manufacturing
- Modules for clocks and watches manufacturing
- Movements, watch or clock, manufacturing
- Nephoscopes manufacturing
- Nuclear instrument modules manufacturing
- Physical properties testing and inspection equipment manufacturing
- Pitometers manufacturing
- Polygraph machines manufacturing
- Pressure and vacuum indicators, aircraft engine, manufacturing
- Pressure transducers manufacturing
- Pulse analyzers, nuclear monitoring, manufacturing
- Pyrheliometers manufacturing
- RADIAC (radioactivity detection, identification, and computation) equipment manufacturing
- Radiation detection and monitoring instruments manufacturing
- Radioactivity detection, identification, and computation (RADIAC) equipment manufacturing
- Rain gauges manufacturing
- Rods, surveyor's, manufacturing
- Rules, slide, manufacturing
- Sample changers, nuclear radiation, manufacturing
- Scalers, nuclear radiation, manufacturing
- Scintillation detectors manufacturing
- Seismographs manufacturing
- Seismometers manufacturing
- Seismoscopes manufacturing
- Sextants, surveying, manufacturing
- Solarimeters manufacturing
- Spectrometers (e.g., liquid scintillation, nuclear) manufacturing
- Springs, clock and watch, made from purchased wire
- Surveying instruments manufacturing
- Tapes, surveyor's, manufacturing
- Templates, drafting, manufacturing
- Tensile strength testing equipment manufacturing
- Testers for checking hydraulic controls on aircraft manufacturing
- Testing equipment (e.g., abrasion, shearing strength, tensile strength, torsion) manufacturing
- Theodolites, surveying, manufacturing
- Thermocouples (except industrial process, aircraft type, glass vacuum) manufacturing
- Thermometer, liquid-in-glass and bimetal types (except medical), manufacturing
- Thickness gauging instruments, ultrasonic, manufacturing
- Thrust power indicators, aircraft engine, manufacturing
- Time clocks and time recording devices manufacturing
- Time locks manufacturing
- Time stamps containing clock mechanisms manufacturing
- Timers for industrial use, clockwork mechanism, manufacturing
- Timing mechanisms, clockwork, manufacturing
- Torsion testing equipment manufacturing
- Transducers, pressure, manufacturing
- Transits, surveying, manufacturing
- T-squares (drafting) manufacturing
- Ultrasonic testing equipment (except medical) manufacturing
- Vibration meters, analyzers, and calibrators, manufacturing
- Viscosimeters (except industrial process type) manufacturing
- Wall clocks manufacturing
- Watch jewels manufacturing
- Watchcase manufacturing
- Watches (except smartwatches) and parts (except crystals) manufacturing
- Water leak detectors manufacturing
- Weather tracking equipment manufacturing
- Whole body counters, nuclear, manufacturing
- Wind direction indicators manufacturing
SBA size standard for 334519
To count as a small business for SBA loans and federal contracts under NAICS 334519, your business (including affiliates) must not exceed 600 employees. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2651, 2652), so treat them as a starting point and check the definition.
- 26511Manufacture of electronic measuring, testing etc. equipment, not for industrial process controlUK SIC
- 26512Manufacture of electronic industrial process control equipmentUK SIC
- 26513Manufacture of non-electronic measuring, testing etc. equipment, not for industrial process controlUK SIC
- 26514Manufacture of non-electronic industrial process control equipmentUK SIC
- 26520Manufacture of watches and clocksUK SIC
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Similar codes to compare
- 334510Electromedical and Electrotherapeutic Apparatus Manufacturing
- 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
- 334512Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
- 334513Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
- 334514Totalizing Fluid Meter and Counting Device Manufacturing
- 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
- 334516Analytical Laboratory Instrument Manufacturing
- 334517Irradiation Apparatus Manufacturing
Data last changed November 14, 2026. How this page is built.