Badger Meter - Nutating Disc, Piston, Oval Gear, Turbine & ElectroMagnetic
- VorTek - Insertion and Full Body Vortex Flowmeters
- Gems Sensors - Paddle Wheel, Turbine Fluid Flow Switches & Sensors
- Greyline - "PORTAFLOW" Portable Transit Time Flow Meter, PDFM - Portable Doppler Flow Meter, DFM - Doppler Flow Meter, DFS-II - Doppler Flow Switch, MFS100 - Microphone Flow Switch, OCF - Open Channel Flow Monitor, AVFM-II - Area Velocity Flow Meter
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