NAICS 5 Digit Industry 33451

Industry 33451

NAICS 5  Digit Industry 33451 – Navigational, Measuring, Electromedical, and Control Instruments Manufacturing

Definition of NAICS 5 Digit Industry 33451: This industry comprises establishments primarily engaged in manufacturing navigational, measuring, electromedical, and control instruments. Examples of products made by these establishments are aeronautical instruments, appliance regulators and controls (except switches), laboratory analytical instruments, navigation and guidance systems, and physical properties testing equipment.

Cross-References for NAICS Code 33451

What codes are similar to this industry that might be more applicable? The cross-reference guide below displays the codes that are similar to industry 33451. Please review to find the most applicable classification.

  • Manufacturing global positioning system (GPS) equipment–are classified in Industry 33422, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing;
  • Manufacturing motor control switches and relays (including timing relays)–are classified in Industry 33531, Electrical Equipment Manufacturing;
  • Manufacturing switches for appliances–are classified in Industry 33593, Wiring Device Manufacturing;
  • Manufacturing optical instruments–are classified in Industry 33331, Commercial and Service Industry Machinery 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 Industry 32619, Other Plastics Product Manufacturing; and
  • Manufacturing medical thermometers and other nonelectrical medical apparatus–are classified in Industry Group 3391, Medical Equipment and Supplies Manufacturing.

Other Index Entries for NAICS 5-Digit Industry 33451

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with industry 33451. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Abrasion testing machines manufacturing
  • Absorption analyzers, industrial process type (e.g., infrared), manufacturing
  • Acceleration indicators and systems components, aerospace type, manufacturing
  • Accelerometers (except aerospace type) manufacturing
  • Acidity (i.e., pH) instruments, industrial process type, manufacturing
  • Acidity (i.e., pH) measuring equipment, laboratory analysis-type, manufacturing
  • Actinometers, meteorological, manufacturing
  • Aeronautical systems and instruments manufacturing
  • Air flow controllers (except valves), air-conditioning and refrigeration, manufacturing
  • Air traffic control radar systems and equipment manufacturing
  • Airborne navigational systems manufacturing
  • Aircraft engine instruments manufacturing
  • Aircraft flight instruments (except engine instruments) manufacturing
  • Airframe equipment instruments manufacturing
  • Airspeed instruments (aeronautical) manufacturing
  • Alarm clocks manufacturing
  • Alidades, surveying, manufacturing
  • Alternator and generator testers manufacturing
  • Altimeters, aeronautical, manufacturing
  • Amino acid analyzers, laboratory-type, manufacturing
  • Ampere-hour meters manufacturing
  • Analyzers for testing electrical characteristics manufacturing
  • Analyzers, industrial process control type, manufacturing
  • Angle-of-attack instrumentation manufacturing
  • Angle-of-yaw instrumentation manufacturing
  • Annunciators, relay and solid-state types, industrial display, manufacturing
  • Appliance controls manufacturing
  • Appliance regulators (except switches) manufacturing
  • Appliance timers manufacturing
  • Arc lamp units, electrotherapeutic (except infrared, ultraviolet), manufacturing
  • Artificial horizon instrumentation manufacturing
  • Audiofrequency oscillators manufacturing
  • Audiological equipment, electromedical, manufacturing
  • Audiometers (except medical) manufacturing
  • Automated blood and body fluid analyzers (except laboratory) manufacturing
  • Automatic chemical analyzers, laboratory-type, manufacturing
  • Automotive electrical engine diagnostic equipment manufacturing
  • Automotive emissions testing equipment manufacturing
  • Bank and turn indicators and components (aeronautical instruments) manufacturing
  • Barographs manufacturing
  • Barometers manufacturing
  • Battery testers, electrical, manufacturing
  • Beta-ray irradiation equipment manufacturing
  • Blood bank process equipment manufacturing
  • Boiler controls, industrial, power, and marine-type, manufacturing
  • Bridges, electrical (e.g., Kelvin, megohm, vacuum tube, Wheatstone), manufacturing
  • Bronchoscopes, electromedical, manufacturing
  • Building services monitoring controls, automatic, manufacturing
  • Buoyancy instruments, industrial process-type, manufacturing
  • Cabin environment indicators, transmitters, and sensors manufacturing
  • Carbon arc lamp units, electrotherapeutic (except infrared and ultraviolet), manufacturing
  • Cardiodynameter manufacturing
  • Cardiographs manufacturing
  • Cardiophone, electric, manufacturing
  • Cardioscope manufacturing
  • Cardiotachometer manufacturing
  • Ceilometers manufacturing
  • Chains, surveyor’s, manufacturing
  • Chromatographic instruments, laboratory-type, manufacturing
  • Chromatographs, industrial process-type, manufacturing
  • Chronographs manufacturing
  • Chronometers manufacturing
  • Chronoscopes manufacturing
  • Circuit testers manufacturing
  • Clock materials and parts (except crystals) manufacturing
  • Clock or watch springs, precision, made from purchased wire
  • Clocks assembling
  • Clocks assembling from purchased components
  • Clothes dryer controls, including dryness controls, manufacturing
  • Colonscopes, electromedical, manufacturing
  • Colorimeters, laboratory-type, manufacturing
  • Combination limit and fan controls manufacturing
  • Combination oil and hydronic controls manufacturing
  • Combustion control instruments (except commercial, household furnace-type) manufacturing
  • Commercial timing mechanisms manufacturing
  • Communications signal testing equipment
  • Compasses, gyroscopic and magnetic (except portable), manufacturing
  • Compasses, portable magnetic-type, manufacturing
  • Computerized axial tomography (CT/CAT) scanners manufacturing
  • Computerized environmental control systems for buildings manufacturing
  • Consumption meters (e.g., gas, water) manufacturing
  • Controllers for process variables (e.g., electric, electronic, mechanical, pneumatic operation) manufacturing
  • Controls, revolution and timing instruments, manufacturing
  • Coulometric analyzers, industrial process-type, manufacturing
  • Coulometric analyzers, laboratory-type, manufacturing
  • Count rate meters, nuclear radiation, manufacturing
  • Counter type registers manufacturing
  • Countermeasure sets (e.g., active countermeasures, jamming equipment) manufacturing
  • Counters (e.g., electrical, electronic, mechanical), totalizing, manufacturing
  • Counters, revolution, manufacturing
  • Counting devices manufacturing
  • CT/CAT (computerized axial tomography) scanners manufacturing
  • Current measuring equipment manufacturing
  • Cystoscopes, electromedical, manufacturing
  • Damper operators (e.g., electric, pneumatic, thermostatic) manufacturing
  • Data loggers, industrial process-type, manufacturing
  • Dating devices and machines (except rubber stamps) manufacturing
  • Decade boxes (i.e., capacitance, inductance, resistance) manufacturing
  • Defibrilators manufacturing
  • Demand meters, electric, manufacturing
  • Densitometers, laboratory analytical, manufacturing
  • Density and specific gravity instruments, industrial process-type, manufacturing
  • Detectors, scintillation, manufacturing
  • Diagnostic equipment, electromedical, manufacturing
  • Diagnostic equipment, MRI (magnetic resonance imaging), manufacturing
  • Dialysis equipment, electromedical, manufacturing
  • Diathermy apparatus, electromedical, manufacturing
  • Diathermy units manufacturing
  • Differential pressure instruments, industrial process-type, manufacturing
  • Differential thermal analysis instruments, laboratory-type, manufacturing
  • Digital displays of process variables manufacturing
  • Digital panel meters, electricity measuring, manufacturing
  • Digital test equipment (e.g., electronic and electrical circuits and equipment testing) manufacturing
  • Diode and transistor testers manufacturing
  • Display instruments, industrial process control-type, manufacturing
  • Distance measuring equipment (DME), aeronautical, manufacturing
  • Distortion meters and analyzers manufacturing
  • Dosimetry devices manufacturing
  • Draft gauges, industrial process-type, manufacturing
  • Drafting instruments manufacturing
  • Driftmeters, aeronautical, manufacturing
  • Dynamometers manufacturing
  • Elapsed time meters, electronic, manufacturing
  • Electric air cleaner controls, automatic, manufacturing
  • Electric and electronic controllers, industrial process-type, manufacturing
  • Electric heat proportioning controls, modulating controls, manufacturing
  • Electric space heater controls, automatic, manufacturing
  • Electrical network analyzers manufacturing
  • Electrical power measuring equipment manufacturing
  • Electricity and electrical signal measuring instruments manufacturing
  • Electricity and electrical signal testing equipment manufacturing
  • Electrocardiographs manufacturing
  • Electrodes used in industrial process measurement manufacturing
  • Electroencephalographs manufacturing
  • Electrogastrograph manufacturing
  • Electrolytic conductivity instruments, industrial process-type, manufacturing
  • Electrolytic conductivity instruments, laboratory-type, manufacturing
  • Electromagnetic flowmeters manufacturing
  • Electromechanical counters manufacturing
  • Electromedical diagnostic equipment manufacturing
  • Electromedical equipment manufacturing
  • Electromedical therapy equipment manufacturing
  • Electromyographs manufacturing
  • Electron microprobes, laboratory-type, manufacturing
  • Electron microscopes manufacturing
  • Electron paramagnetic spin-type apparatus manufacturing
  • Electron tube test equipment manufacturing
  • Electronic guidance systems and equipment manufacturing
  • Electronic test equipment for testing electrical characteristics manufacturing
  • Electronic totalizing counters manufacturing
  • Electrophoresis instruments manufacturing
  • Electrotherapeutic apparatus manufacturing
  • Electrotherapy units manufacturing
  • Elemental analyzers manufacturing
  • Endoscopic equipment, electromedical (e.g., bronchoscopes, colonoscopes, cystoscopes), manufacturing
  • Energy cutoff controls, residential and commercial types, manufacturing
  • Energy measuring equipment, electrical, manufacturing
  • Evaporation meters manufacturing
  • Fan controls, temperature responsive, manufacturing
  • Fare collection equipment manufacturing
  • Fathometers manufacturing
  • Fatigue testing machines, industrial, mechanical, manufacturing
  • Field strength and intensity measuring equipment, electrical, manufacturing
  • Fire detector systems, nonelectric, manufacturing
  • Fish finders (i.e., sonar) manufacturing
  • Flame photometers manufacturing
  • Flame safety controls for furnaces and boilers manufacturing
  • Flight and navigation sensors, transmitters, and displays manufacturing
  • Flight recorders (i.e., black boxes) manufacturing
  • Float controls, residential and commercial types, manufacturing
  • Flow instruments, industrial process-type, manufacturing
  • Fluidic devices, circuits, and systems for process control, manufacturing
  • Fluoroscopes manufacturing
  • Fluoroscopic X-ray apparatus and tubes manufacturing
  • Frequency meters (e.g., electrical, electronic, mechanical) manufacturing
  • Frequency synthesizers manufacturing
  • Fuel densitometers, aircraft engine, manufacturing
  • Fuel mixture indicators, aircraft engine, manufacturing
  • Fuel system instruments, aircraft, manufacturing
  • Fuel totalizers, aircraft engine, manufacturing
  • Function generators manufacturing
  • Galvanometers (except geophysical) manufacturing
  • Galvanometers, geophysical, manufacturing
  • Gamma ray irradiation equipment manufacturing
  • Gas analyzers, industrial process-type, manufacturing
  • Gas analyzers, laboratory-type, manufacturing
  • Gas and liquid analysis instruments, industrial process-type, manufacturing
  • Gas burner automatic controls (except valves) manufacturing
  • Gas chromatographic instruments, industrial process-type, manufacturing
  • Gas chromatographic instruments, laboratory-type, manufacturing
  • Gas flow instrumentation, industrial process-type, manufacturing
  • Gas leak detectors manufacturing
  • Gasmeters, consumption registering, manufacturing
  • Gasmeters, large capacity, domestic and industrial, manufacturing
  • Gasoline dispensing meters (except pumps) manufacturing
  • Gastroscopes, electromedical, manufacturing
  • Gauges (e.g., oil pressure, water temperature, speedometer, tachometer), motor vehicle, manufacturing
  • Gauges (i.e., analog, digital), industrial process-type, manufacturing
  • Gauges for computing pressure-temperature corrections manufacturing
  • Geiger counters manufacturing
  • Generators, X-ray, manufacturing
  • Geophysical instruments manufacturing
  • Glide slope instrumentation manufacturing
  • Gradual switches, pneumatic, manufacturing
  • Graphic recording meters, electric, manufacturing
  • Gyrocompasses manufacturing
  • Gyrogimbals manufacturing
  • Gyroscopes manufacturing
  • Hand stamps (e.g., date, time), timing mechanism operated, manufacturing
  • Hardness testing equipment manufacturing
  • Heads-up display (HUD) systems, aeronautical, manufacturing
  • Hearing aids, electronic, manufacturing
  • Heart-lung machine, manufacturing
  • Heating and cooling system controls, residential and commercial, manufacturing
  • Heating regulators manufacturing
  • Hematology instruments manufacturing
  • Horizon situation instrumentation manufacturing
  • Household-type timing mechanisms manufacturing
  • HUD (heads-up display) systems, aeronautical, manufacturing
  • Humidistats (e.g., duct, skeleton, wall) manufacturing
  • Humidity controls, air-conditioning-type, manufacturing
  • Humidity instruments (except industrial process and air-conditioning type) manufacturing
  • Humidity instruments, industrial process-type, manufacturing
  • Hydrometers (except industrial process-type) manufacturing
  • Hydrometers, industrial process-type, manufacturing
  • Hydronic circulator control, automatic, manufacturing
  • Hydronic limit control manufacturing
  • Hydronic limit, pressure, and temperature controls, manufacturing
  • Hydrophones manufacturing
  • Hygrometers (except industrial process-type) manufacturing
  • Hygrometers, industrial process-type, manufacturing
  • Hygrothermographs manufacturing
  • Ice bank controls manufacturing
  • Ice maker controls manufacturing
  • Ignition controls for gas appliances and furnaces, automatic, manufacturing
  • Ignition testing instruments manufacturing
  • Immunology instruments, laboratory, manufacturing
  • Impedance measuring equipment manufacturing
  • Impeller and counter driven flow meters manufacturing
  • In-built thermostats, filled system and bimetal types, manufacturing
  • Incinerator control systems, residential and commercial-type, manufacturing
  • Indicating instruments, electric, manufacturing
  • Indicator testers, turntable, manufacturing
  • Indicators, industrial process control-type, manufacturing
  • Industrial process control instruments manufacturing
  • Inertial navigation systems, aeronautical, manufacturing
  • Infrared analytical instruments, laboratory-type, manufacturing
  • Infrared homing systems, aeronautical, manufacturing
  • Infrared instruments, industrial process-type, manufacturing
  • Instrument landing system instrumentation, airborne or airport, manufacturing
  • Instrument panels, assembling gauges made in the same establishment
  • Instrument shunts manufacturing
  • Instrumentation for reactor controls, auxiliary, manufacturing
  • Instruments for industrial process control manufacturing
  • Instruments for measuring electrical quantities manufacturing
  • Instruments, aeronautical, manufacturing
  • Instruments, electric (i.e., testing electrical characteristics), manufacturing
  • Integrated-circuit testers manufacturing
  • Integrating electricity meters manufacturing
  • Integrating meters, nonelectric, manufacturing
  • Internal combustion engine analyzers (i.e., testing electrical characteristics) manufacturing
  • Ion chambers manufacturing
  • Irradiation apparatus and tubes (e.g., industrial, medical diagnostic, medical therapeutic, research, scientific), manufacturing
  • Irradiation equipment manufacturing
  • Kelvin bridges (i.e., electrical measuring instruments) manufacturing
  • Kinematic test and measuring equipment manufacturing
  • Laboratory analytical instruments (except optical) manufacturing
  • Laboratory standards testing instruments (e.g., capacitance, electrical resistance, inductance) manufacturing
  • Lamps, X-ray, manufacturing
  • Laser equipment, electromedical, manufacturing
  • Laser systems and equipment, medical, manufacturing
  • Leak detectors, water, manufacturing
  • Level and bulk measuring instruments, industrial process-type, manufacturing
  • Level gauges, radiation-type, manufacturing
  • Levels and tapes, surveying, manufacturing
  • Lie detectors manufacturing
  • Light reconnaissance and surveillance systems and equipment manufacturing
  • Light responsive appliance controls manufacturing
  • Limit controls (e.g., air-conditioning, appliance, heating) manufacturing
  • Line or limit control for electric heat manufacturing
  • Linear counters manufacturing
  • Liquid analysis instruments, industrial process-type, manufacturing
  • Liquid chromatographic instruments, laboratory-type, manufacturing
  • Liquid concentration instruments, industrial process-type, manufacturing
  • Liquid flow meters manufacturing
  • Liquid level controls, residential and commercial heating-type, manufacturing
  • Liquid level instruments, industrial process-type, manufacturing
  • Lithotripters manufacturing
  • Logic circuit testers manufacturing
  • Machmeters manufacturing
  • Magnetic counters manufacturing
  • Magnetic flow meters, industrial process-type, manufacturing
  • Magnetic resonance imaging (MRI) medical diagnostic equipment manufacturing
  • Magnetic resonance imaging (MRI) type apparatus (except medical diagnostic) manufacturing
  • Magnetometers manufacturing
  • Manometers, industrial process-type, manufacturing
  • Mass spectrometers manufacturing
  • Mass spectroscopy instrumentation manufacturing
  • Measuring equipment for electronic and electrical circuits and equipment manufacturing
  • Measuring instruments and meters, electric, manufacturing
  • Measuring instruments, industrial process control-type, manufacturing
  • Measuring wheels manufacturing
  • Mechanical measuring instruments, industrial process-type, manufacturing
  • Mechanisms, clockwork operated device, manufacturing
  • Medical cleaning equipment, ultrasonic, manufacturing
  • Medical radiation therapy equipment manufacturing
  • Medical ultrasound equipment manufacturing
  • Metal detectors manufacturing
  • Meteorologic tracking systems manufacturing
  • Meteorological instruments manufacturing
  • Metering devices (except electrical and industrial process control) manufacturing
  • Meters (except electrical and industrial process control) manufacturing
  • Meters, electrical (i.e., graphic recording, panelboard, pocket, portable), manufacturing
  • Meters, industrial process control-type, manufacturing
  • Meters, parking, manufacturing
  • Meters, power factor and phase angle, manufacturing
  • Microbiology instruments manufacturing
  • Microprobes (e.g., electron, ion, laser, X-ray) manufacturing
  • Microscopes, electron and proton, manufacturing
  • Microwave test equipment manufacturing
  • Modules for clocks and watches manufacturing
  • Moisture analyzers, laboratory-type, manufacturing
  • Moisture meters, industrial process-type, manufacturing
  • Monochrometers, laboratory-type, manufacturing
  • Motor vehicle instruments (e.g., fuel level gauges, oil pressure, speedometers, tachometers, water temperature) manufacturing
  • Movements, watch or clock, manufacturing
  • MRI (magnetic resonance imaging) medical diagnostic equipment manufacturing
  • Multimeters manufacturing
  • Nautical systems and instruments manufacturing
  • Navigational instruments manufacturing
  • Nephelometers (except meteorological) manufacturing
  • Nephoscopes manufacturing
  • Neutron activation analysis instruments manufacturing
  • Nuclear instrument modules manufacturing
  • Nuclear irradiation equipment manufacturing
  • Ohmmeters manufacturing
  • Omnibearing instrumentation manufacturing
  • Oscillators (e.g., instrument type audiofrequency and radiofrequency) manufacturing
  • Oscilloscopes manufacturing
  • Osmometers manufacturing
  • Otoscopes, electromedical, manufacturing
  • Oven temperature controls, nonindustrial, manufacturing
  • Pacemakers manufacturing
  • Panelboard indicators, recorders, and controllers, receiver industrial process-type, manufacturing
  • Parking meters manufacturing
  • Particle beam excitation instruments, laboratory-type, manufacturing
  • Particle size analyzers manufacturing
  • Patient monitoring equipment (e.g., intensive care, coronary care unit) manufacturing
  • Pedometers manufacturing
  • PET (positron emission tomography) scanners manufacturing
  • Phase angle meters manufacturing
  • Phonocardiographs manufacturing
  • Photometers (except photographic exposure meters) manufacturing
  • Photonexcitation analyzers manufacturing
  • Physical properties testing and inspection equipment manufacturing
  • Pictorial situation instrumentation manufacturing
  • Pitometers manufacturing
  • Pneumatic controllers, industrial process type, manufacturing
  • Pneumatic relays, air-conditioning-type, manufacturing
  • Polariscopes manufacturing
  • Polarizers manufacturing
  • Polarographic equipment manufacturing
  • Polygraph machines manufacturing
  • Portable test meters manufacturing
  • Position indicators (e.g., for landing gear, stabilizers), airframe equipment, manufacturing
  • Positive displacement meters manufacturing
  • Positron emission tomography (PET) scanners manufacturing
  • Potentiometric instruments (except industrial process-type) manufacturing
  • Potentiometric instruments (except X-Y recorders), industrial process-type, manufacturing
  • Power factor meters manufacturing
  • Power measuring equipment, electrical, manufacturing
  • Predetermined counters manufacturing
  • Pressure and vacuum indicators, aircraft engine, manufacturing
  • Pressure controllers, air-conditioning system-type, manufacturing
  • Pressure gauges (e.g., dial, digital), industrial process-type, manufacturing
  • Pressure instruments, industrial process-type, manufacturing
  • Pressure transducers manufacturing
  • Pressurestats manufacturing
  • Primary elements for process flow measurement (i.e., orifice plates) manufacturing
  • Primary oil burner controls (e.g., cadmium cells, stack controls) manufacturing
  • Primary process temperature sensors manufacturing
  • Probes, electric medical, manufacturing
  • Process control instruments, industrial, manufacturing
  • Production counters manufacturing
  • Programmers, process-type, manufacturing
  • Propeller type meters with registers manufacturing
  • Protein analyzers, laboratory-type, manufacturing
  • Proximity warning (i.e., collision avoidance) equipment manufacturing
  • Pulse (i.e., signal) generators manufacturing
  • Pulse analyzers, nuclear monitoring, manufacturing
  • Pyrheliometers manufacturing
  • Pyrometers, industrial process-type, manufacturing
  • Radar detectors manufacturing
  • Radar systems and equipment manufacturing
  • Radar testing instruments, electric, manufacturing
  • RADIAC (radioactivity detection, identification, and computation) equipment manufacturing
  • Radiation detection and monitoring instruments manufacturing
  • Radio magnetic instrumentation (RMI) manufacturing
  • Radioactivity detection, identification, and computation (RADIAC) equipment manufacturing
  • Radiofrequency measuring equipment manufacturing
  • Radiofrequency oscillators manufacturing
  • Radium equipment manufacturing
  • Rain gauges manufacturing
  • Rate-of-climb instrumentation manufacturing
  • Recorders, industrial process control-type, manufacturing
  • Recorders, oscillographic, manufacturing
  • Redox (i.e., oxidation-reduction potential) instruments manufacturing
  • Refractometers, industrial process-type, manufacturing
  • Refractometers, laboratory-type, manufacturing
  • Refrigeration controls, residential and commercial-type, manufacturing
  • Refrigeration thermostats manufacturing
  • Refrigeration/air-conditioning defrost controls manufacturing
  • Registers, linear tallying, manufacturing
  • Relays (except electrical, electronic), instrument, manufacturing
  • Resistance measuring equipment manufacturing
  • Resistance thermometers and bulbs, industrial process-type, manufacturing
  • Resonance instruments (i.e., laboratory-type) manufacturing
  • Respiratory analysis equipment, electromedical, manufacturing
  • Retinoscopes, electromedical, manufacturing
  • Rods, surveyor’s, manufacturing
  • Room thermostats manufacturing
  • Rotary type meters, consumption registering, manufacturing
  • Rules, slide, manufacturing
  • Sample analysis instruments (except medical) manufacturing
  • Sample changers, nuclear radiation, manufacturing
  • Scalers, nuclear radiation, manufacturing
  • Scintillation detectors manufacturing
  • Search and detection systems and instruments manufacturing
  • Seismographs manufacturing
  • Seismometers manufacturing
  • Seismoscopes manufacturing
  • Semiconductor test equipment manufacturing
  • Sentinel, cardiac, manufacturing
  • Sequencing controls for electric heating equipment manufacturing
  • Sextants (except surveying) manufacturing
  • Sextants, surveying, manufacturing
  • Shunts, instrument, manufacturing
  • Signal generators and averagers manufacturing
  • Solarimeters manufacturing
  • Sonabuoys manufacturing
  • Sonar fish finders manufacturing
  • Sonar systems and equipment manufacturing
  • Space vehicle guidance systems and equipment manufacturing
  • Spark plug testing instruments, electric, manufacturing
  • Specific ion measuring instruments, laboratory-type, manufacturing
  • Spectrofluorometers manufacturing
  • Spectrographs manufacturing
  • Spectrometers (e.g., electron diffraction, mass, NMR, Raman) manufacturing
  • Spectrometers (e.g., liquid scintillation, nuclear) manufacturing
  • Spectrophotometers (e.g., atomic absorption, atomic emission, flame, fluorescence, infrared, Raman, visible) manufacturing
  • Spectrum analyzers manufacturing
  • Speed, pitch, and roll navigational instruments and systems manufacturing
  • Springs, clock and watch, made from purchased wire
  • Standards and calibration equipment for electrical measuring manufacturing
  • Standing wave ratio measuring equipment manufacturing
  • Static pressure regulators manufacturing
  • Steam pressure controls, residential and commercial heating-type, manufacturing
  • Stroboscopes manufacturing
  • Surface area analyzers manufacturing
  • Surface burner controls, temperature, manufacturing
  • Surgical support systems (e.g., heart-lung machines) (except iron lungs) manufacturing
  • Surveying instruments manufacturing
  • Sweep generators manufacturing
  • Sweep oscillators manufacturing
  • Switches, pneumatic positioning remote, manufacturing
  • Switches, thermostatic, manufacturing
  • Synchroscopes manufacturing
  • T-squares (drafting) manufacturing
  • Tachometer generators manufacturing
  • Taffrail logs manufacturing
  • Tally counters manufacturing
  • Tallying meters (except clocks, electricity meters, watches) manufacturing
  • Tank truck meters manufacturing
  • Tapes, surveyor’s, manufacturing
  • Taximeters manufacturing
  • Telemetering instruments, industrial process-type, manufacturing
  • Temperature controls, automatic, residential and commercial-types, manufacturing
  • Temperature instruments, industrial process-type (except glass and bimetal thermometers), manufacturing
  • Temperature sensors for motor windings manufacturing
  • Templates, drafting, manufacturing
  • TENS (transcutaneous electrical nerve stimulator) manufacturing
  • Tensile strength testing equipment manufacturing
  • Test equipment for electronic and electrical circuits and equipment manufacturing
  • Test sets, ignition harness, manufacturing
  • Testers for checking hydraulic controls on aircraft manufacturing
  • Testing equipment (e.g., abrasion, shearing strength, tensile strength, torsion) manufacturing
  • Theodolites, surveying, manufacturing
  • Therapeutic X-ray apparatus and tubes (e.g., medical, industrial, research) manufacturing
  • Thermal analysis instruments, laboratory-type, manufacturing
  • Thermal conductivity instruments and sensors manufacturing
  • Thermal conductivity instruments, industrial process-type, manufacturing
  • Thermistors, industrial process-type, manufacturing
  • Thermocouples (except industrial process, aircraft type, glass vacuum) manufacturing
  • Thermocouples, glass vacuum, manufacturing
  • Thermocouples, industrial process-type, manufacturing
  • Thermogravimetric analyzers manufacturing
  • Thermometer, liquid-in-glass and bimetal types (except medical), manufacturing
  • Thermometers, filled system industrial process-type, manufacturing
  • Thermostats (e.g., air-conditioning, appliance, comfort heating, refrigeration) manufacturing
  • Thickness gauging instruments, ultrasonic, manufacturing
  • Thrust power indicators, aircraft engine, manufacturing
  • Time clocks and time recording devices manufacturing
  • Time cycle and program controllers, industrial process-type, manufacturing
  • Time locks manufacturing
  • Time program controls, air-conditioning systems, manufacturing
  • Time stamps containing clock mechanisms manufacturing
  • Timers for industrial use, clockwork mechanism, manufacturing
  • Timing mechanisms, clockwork, manufacturing
  • Titrimeters manufacturing
  • Torsion testing equipment manufacturing
  • Totalizing fluid meters manufacturing
  • Totalizing meters (except aircraft), consumption registering, manufacturing
  • Transcutaneous electrical nerve stimulators (TENS) manufacturing
  • Transducers, pressure, manufacturing
  • Transits, surveying, manufacturing
  • Transmitters, industrial process control-type, manufacturing
  • Tubes, X-ray, manufacturing
  • Turbidity instruments, industrial process-type, manufacturing
  • Turbidometers, laboratory-type, manufacturing
  • Turbine flow meters, industrial process-type, manufacturing
  • Turbine meters, consumption registering, manufacturing
  • Ultrasonic medical equipment manufacturing
  • Ultrasonic scanning devices, medical, manufacturing
  • Ultrasonic testing equipment (except medical) manufacturing
  • Ultraviolet-type analytical instruments manufacturing
  • Underwater navigational systems manufacturing
  • Vapor heating controls manufacturing
  • Variable control instruments, industrial process-type, manufacturing
  • Vibration meters, analyzers, and calibrators, manufacturing
  • Viscosimeters (except industrial process type) manufacturing
  • Viscosimeters, industrial process-type, manufacturing
  • Voltmeters manufacturing
  • Wall clocks manufacturing
  • Warfare countermeasures equipment manufacturing
  • Watch jewels manufacturing
  • Watchcase manufacturing
  • Watches and parts (except crystals) manufacturing
  • Water heater controls manufacturing
  • Water leak detectors manufacturing
  • Water quality monitoring and control systems manufacturing
  • Watermeters, consumption registering, manufacturing
  • Watt-hour and demand meters, combined, manufacturing
  • Watt-hour and time switch meters, combined, manufacturing
  • Watt-hour meters, electric, manufacturing
  • Wattmeters manufacturing
  • Waveform measuring and/or analyzing equipment manufacturing
  • Weather tracking equipment manufacturing
  • Wheatstone bridges (i.e., electrical measuring instruments) manufacturing
  • Wheel position indicators and transmitters, aircraft, manufacturing
  • Whole body counters, nuclear, manufacturing
  • Wind direction indicators manufacturing
  • X-ray apparatus and tubes (e.g., control, industrial, medical, research) manufacturing
  • X-ray generators manufacturing
  • X-ray irradiation equipment manufacturing
  • X-ray tubes manufacturing
  • X-Y recorders (i.e., plotters (except computer peripheral equipment)) manufacturing

Industry Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry (Where you are now), and the most specific is the 6 digit NAICS code. If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 31-33: Manufacturing
    • Subsector 334: Computer and Electronic Product Manufacturing
      • Industry Group 3345: Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
        • Industry 33451: Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (Current Page)
          • 6 Digit Code(s) NAICS 334510: Electromedical and Electrotherapeutic Apparatus Manufacturing
          • 6 Digit Code(s) NAICS 334511: Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
          • 6 Digit Code(s) NAICS 334512: Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
          • 6 Digit Code(s) NAICS 334513: Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
          • 6 Digit Code(s) NAICS 334514: Totalizing Fluid Meter and Counting Device Manufacturing
          • 6 Digit Code(s) NAICS 334515: Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
          • 6 Digit Code(s) NAICS 334516: Analytical Laboratory Instrument Manufacturing
          • 6 Digit Code(s) NAICS 334517: Irradiation Apparatus Manufacturing
          • 6 Digit Code(s) NAICS 334519: Other Measuring and Controlling Device Manufacturing

Other helpful NAICS Downloads

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NAICS 5 Digit Industry 33451 | Class Codes