A

Measuring and Controlling Devices, NEC (3,096)

Accelerometers (11)

Air Quality Measuring Equipment (14)

Aircraft and Motor Vehicle Measurement Equipment (42)

Alcohol Breath Detectors Manufacturers (45)

Anemometers Manufacturers (4)

Automatic Turnstiles and Related Apparatus (11)

Cable Testing Machines (6)

Coal Testing Apparatus (4)

Compasses Manufacturers (17)

Count Rate Meters, Nuclear Radiation (5)

Drafting Instruments and Machines: T-Square, Template, Etc. (14)

Drafting Room Equipment Manufacturers (5)

Dynamometer Instruments (26)

Dynamometers Manufacturers (12)

Electrogamma Ray Loggers (10)

Fare Registers, for Street Cars, Buses, Etc. (7)

Fatigue Testing Machines, Industrial: Mechanical (12)

Fire Detector Systems, Non-Electric (14)

Fuel System Instruments, Aircraft (5)

Gas Detectors (65)

Gauges, Motor Vehicle: Oil Pressure, Water Temperature (15)

Gauging Instruments, Thickness Ultrasonic (20)

Geophysical and Meteorological Testing Equipment (40)

Geophysical or Meteorological Electronic Equipment (25)

Hardness Testing Equipment (7)

Hydrometers Manufacturers (7)

Instrument Board Gauges, Automotive: Computerized (19)

Instrumentation for Reactor Controls, Auxiliary (31)

Ion Chambers (6)

Levels and Tapes, Surveying (5)

Liquid Leak Detection Equipment (39)

Magnetometers (6)

Map Plotting Instruments (7)

Measuring/Controlling Devices (Unclassified) Manufacturers (1,432)

Medical Diagnostic Systems, Nuclear (152)

Meteorologic Tracking Systems (19)

Meteorological Instruments (20)

Nuclear Instrument Modules (5)

Nuclear Radiation and Testing Apparatus (58)

Oil Pressure Gauges, Motor Vehicle (7)

Personnel Dosimetry Devices (5)

Photogrammetric Instruments Manufacturers (6)

Physical Property Testing Equipment (74)

Plotting Instruments, Drafting and Map Reading (10)

Plumb Bobs (9)

Polygraph Devices (48)

Pressure Transducers (25)

Pressure and Vacuum Indicators, Aircraft Engine (6)

Radioactivity Instruments Supplies and Service (6)

Rain Gauges (9)

Seismograph Equipment and Supplies Manufacturers (26)

Solarimeters (11)

Spectrometers, Liquid Scintillation and Nuclear (6)

Stress Relief Equipment and Service-Ind Manufacturers (5)

Stress, Strain, and Flaw Detecting/Measuring Equipment (27)

Surveying Instruments Manufacturers (73)

Surveying and Drafting Equipment (33)

Temperature Sensors, Except Industrial Process and Aircraft (19)

Templates Manufacturers (5)

Tensile Strength Testing Equipment (5)

Testers for Checking Hydraulic Controls On Aircraft (5)

Testing Apparatus Manufacturers (44)

Testing Equipment: Abrasion, Shearing Strength, Etc. (82)

Thermocouples (25)

Thermomagnetic Oxygen Analyzer (4)

Thermometer Wells Manufacturers (55)

Thermometers, Including Digital: Clinical (13)

Thermometers, Liquid-In-Glass and Bimetal Type (7)

Toll Booths, Automatic (16)

Transits, Surveyors' (13)

Turnstiles Manufacturers (13)

Ultrasonic Testing Equipment (48)

Vibration Meters, Analyzers, and Calibrators (63)

Weather Tracking Equipment (31)

Whole Body Counters, Nuclear (4)

Wind Direction Indicators (16)