Establishments primarily engaged in manufacturing measuring and controlling devices, not elsewhere classified, including meteorological instruments. Important products of this industry are physical properties testing equipment, nuclear radiation detection and monitoring instrumentation, aircraft engine instruments (except flight), and liquid-in-glass and bimetal thermometers. Also included in this industry are establishments primarily engaged in manufacturing surveying and drafting instruments, such as alidades, transits, sextants, theodolites, slide rules, and T-squares.
| Accelerometers, except aerospace type | Personnel dosimetry devices |
| Actinometers, meteorological | Photogrammetrical instruments |
| Alidades, surveying | Photopitometers |
| Anamometers | Physical properties testing and inspection equipment |
| Barographs | Pitometers |
| Barometers, mercury and aneroid types | Pressure and vacuum indicators, aircraft engine |
| Cable testing machines | Pulse analyzers, nuclear monitoring |
| Ceilometers | Pyrheliometers |
| Chronometers, electronic | Radiation measuring and detecting (radiac) equipment |
| Clinical thermometers, including digital | Rain gauges |
| Compasses, magnetic: portable type | Restitution apparatus, photogrammetrical |
| Count rate meters, nuclear radiation | Sample changers, nuclear radiation |
| Drafting instruments and machines | Scalers, nuclear radiation |
| Dynamometer instruments | Scintillation detectors |
| Electrogamma ray loggers | Seismographs |
| Evaporation meters | Seismometers |
| Fare registers: e.g., for streetcars and buses | Seismoscopes |
| Fatigue testing machines, industrial: mechanical | Sextants, surveying |
| Fuel densitometers, aircraft engine | Solarimeters |
| Fuel mixture indicators, aircraft engine | Spectrometers, liquid scintillation and nuclear |
| Fuel system instruments, aircraft | Stereotopographs |
| Fuel totalizers, aircraft engine | Stress, strain, and flaw detecting and measuring equipment |
| Gauges except electric, motor vehicle: oil pressure and water | Surveying instruments |
| Gauging instruments, thickness: ultrasonic | Synchronizers, aircraft engine |
| Geiger counters | Testers for checking hydraulic controls on aircraft |
| Hardness testing equipment | Testing equipment: abrasion, shearing strength, tensile strength, and torsion |
| Humidity instruments, except industrial process and air-conditioning | Theodolites, surveying |
| Hydrometers, except industrial process type | Thermocouples, except industrial process, aircraft type, and glass |
| Hygrometers, except industrial process type | Thermohydrometers |
| Hygrothermographs | Thermometers, liquid-in-glass and bimetal types |
| Instrumentation for reactor controls, auxiliary | Thrust power indicators, aircraft engine |
| Ion chambers | Toll booths, automatic |
| Kinematic test and measuring equipment | Transducers, pressure |
| Level gauges, radiation type | Transits, surveying |
| Levels and tapes, surveying | Turnstiles, equipped with counting mechanisms |
| Magnetometers | Ultrasonic testing equipment |
| Map plotting instruments | Vibration meters, analyzers, and calibrators |
| Meteorogic tracking systems | Viscosimeters, except industrial process type |
| Meteorological instruments | Weather tracking equipment |
| Nephoscopes | Whole body counters, nuclear |
| Nuclear instrument modules | Wind direction indicators |
| Nuclear radiation detection and monitoring instruments | |
| Codes |
Titles | Total Marketable US Businesses |
| 38290000 | Measuring and controlling devices, nec | 1,828 |
| 38290100 | Aircraft and motor vehicle measurement equipment | 37 |
| 38290101 | Accelerometers | 18 |
| 38290102 | Fuel densitometers, aircraft engine | 2 |
| 38290103 | Fuel mixture indicators, aircraft engine | 1 |
| 38290104 | Fuel system instruments, aircraft | 3 |
| 38290105 | Fuel totalizers, aircraft engine | 2 |
| 38290106 | Gauges, motor vehicle: oil pressure, water temperature | 9 |
| 38290107 | Gauging instruments, thickness ultrasonic | 15 |
| 38290108 | Instrument board gauges, automotive: computerized | 12 |
| 38290109 | Oil pressure gauges, motor vehicle | 4 |
| 38290110 | Pressure and vacuum indicators, aircraft engine | 9 |
| 38290111 | Synchronizers, aircraft engine | 0 |
| 38290112 | Testers for checking hydraulic controls on aircraft | 4 |
| 38290113 | Thrust power indicators, aircraft engine | 2 |
| 38290114 | Water temperature gauges, motor vehicle | 0 |
| 38290200 | Geophysical and meteorological testing equipment | 27 |
| 38290201 | Actinometers, meteorological | 2 |
| 38290202 | Barographs | 0 |
| 38290203 | Barometers, mercury and aneroid types | 2 |
| 38290204 | Ceilometers | 0 |
| 38290206 | Geophysical or meteorological electronic equipment | 22 |
| 38290207 | Humidity instruments, except industrial process type | 3 |
| 38290208 | Hygrometers, except industrial process type | 1 |
| 38290209 | Magnetometers | 6 |
| 38290210 | Meteorologic tracking systems | 13 |
| 38290211 | Meteorological instruments | 21 |
| 38290212 | Moisture density meters | 3 |
| 38290214 | Rain gauges | 3 |
| 38290215 | Seismographs | 11 |
| 38290216 | Seismometers | 1 |
| 38290217 | Seismoscopes | 1 |
| 38290218 | Solarimeters | 9 |
| 38290219 | Weather tracking equipment | 21 |
| 38290220 | Wind direction indicators | 6 |
| 38290300 | Surveying and drafting equipment | 18 |
| 38290302 | Drafting instruments and machines: t-square, template, etc. | 3 |
| 38290303 | Levels and tapes, surveying | 9 |
| 38290304 | Map plotting instruments | 4 |
| 38290305 | Photogrammetrical instruments | 3 |
| 38290307 | Plotting instruments, drafting and map reading | 8 |
| 38290308 | Plumb bobs | 0 |
| 38290309 | Restitution apparatus, photogrammetrical | 1 |
| 38290312 | Surveying instruments and accessories | 44 |
| 38290314 | Transits, surveyors' | 13 |
| 38290400 | Physical property testing equipment | 70 |
| 38290401 | Cable testing machines | 3 |
| 38290402 | Coal testing apparatus | 4 |
| 38290403 | Dynamometer instruments | 20 |
| 38290404 | Fatigue testing machines, industrial: mechanical | 13 |
| 38290405 | Hardness testing equipment | 11 |
| 38290406 | Stress, strain, and flaw detecting/measuring equipment | 17 |
| 38290407 | Tensile strength testing equipment | 10 |
| 38290408 | Testing equipment: abrasion, shearing strength, etc. | 75 |
| 38290409 | Torsion testing equipment | 1 |
| 38290500 | Nuclear radiation and testing apparatus | 54 |
| 38290501 | Count rate meters, nuclear radiation | 2 |
| 38290502 | Electrogamma ray loggers | 4 |
| 38290503 | Geiger counters | 1 |
| 38290504 | Ion chambers | 5 |
| 38290505 | Level gauges, radiation type | 2 |
| 38290506 | Medical diagnostic systems, nuclear | 163 |
| 38290507 | Nuclear instrument modules | 6 |
| 38290508 | Personnel dosimetry devices | 7 |
| 38290509 | Pulse analyzers, nuclear monitoring | 3 |
| 38290510 | Sample changers, nuclear radiation | 2 |
| 38290511 | Scalers, nuclear radiation | 1 |
| 38290512 | Spectrometers, liquid scintillation and nuclear | 4 |
| 38290513 | Whole body counters, nuclear | 4 |
| 38290600 | Automatic turnstiles and related apparatus | 7 |
| 38290601 | Fare registers, for street cars, buses, etc. | 9 |
| 38290602 | Toll booths, automatic | 5 |
| 38290603 | Turnstiles, equipped with counting mechanisms | 6 |
| 38290700 | Thermometers and temperature sensors | 61 |
| 38290701 | Temperature sensors, except industrial process and aircraft | 24 |
| 38290702 | Thermocouples | 15 |
| 38290703 | Thermometers, including digital: clinical | 33 |
| 38290704 | Thermometers, liquid-in-glass and bimetal type | 5 |
| 38299901 | Anamometers | 3 |
| 38299902 | Breathalyzers | 30 |
| 38299903 | Chronometers, electronic | 5 |
| 38299904 | Compasses, magnetic: portable type | 1 |
| 38299905 | Fire detector systems, non-electric | 12 |
| 38299906 | Gas detectors | 47 |
| 38299907 | Hydrometers, except industrial process type | 7 |
| 38299908 | Instrumentation for reactor controls, auxiliary | 17 |
| 38299909 | Kinematic test and measuring equipment | 7 |
| 38299911 | Photopitometers | 1 |
| 38299913 | Pressure transducers | 23 |
| 38299915 | Salinity indicators, except industrial process type | 0 |
| 38299917 | Shadowgraphs | 0 |
| 38299918 | Slide rules | 4 |
| 38299920 | Thermomagnetic oxygen analyzer | 1 |
| 38299922 | Ultrasonic testing equipment | 35 |
| 38299923 | Vibration meters, analyzers, and calibrators | 41 |
| 38299924 | Viscosimeters, except industrial process type | 0 |
| 38299925 | Polygraph devices | 31 |
| 38299926 | Liquid leak detection equipment | 18 |
