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Measuring and Controlling Devices, NEC

Aircraft and Motor Vehicle Measurement Equipment

Alcohol Breath Detectors Manufacturers

Compasses Manufacturers

Drafting Room Equipment Manufacturers

Dynamometer Instruments

Dynamometers Manufacturers

Fire Detector Systems, Non-Electric

Gas Detectors

Gauges, Motor Vehicle: Oil Pressure, Water Temperature

Gauging Instruments, Thickness Ultrasonic

Geophysical and Meteorological Testing Equipment

Geophysical or Meteorological Electronic Equipment

Hardness Testing Equipment

Hydrometers Manufacturers

Measuring/Controlling Devices (Unclassified) Manufacturers

Medical Diagnostic Systems, Nuclear

Meteorologic Tracking Systems

Nuclear Instrument Modules

Nuclear Radiation and Testing Apparatus

Physical Property Testing Equipment

Plumb Bobs

Rain Gauges

Seismograph Equipment and Supplies Manufacturers

Surveying Instruments Manufacturers

Surveying and Drafting Equipment

Templates Manufacturers

Testing Apparatus Manufacturers

Testing Equipment: Abrasion, Shearing Strength, Etc.

Thermometer Wells Manufacturers

Thermometers, Liquid-In-Glass and Bimetal Type

Turnstiles Manufacturers

Ultrasonic Testing Equipment

Weather Tracking Equipment