Badger Meter - Nutating Disc Meters, Turbine Meters, Batch Controllers
Daniel Industries - Orifice Plates, Turbine, Ultrasonic Flow Meters - Meter Tubes
Drexelbrook Engineering - Open Channel Flow
*ifm efector - Solid State Thermal Flow Switches
Flow Technology - Positive Displacement, Turbine, Flowmeters, & Controllers
Siemens -Magnetic Flowmeters, Flowmass, Clamp on Ultrasonic Meters
Teledyne Monitor Labs- Opacity, Stack Flow, CEM and DAS Systems, Analyzers for CO, CO2, NO, NO2, NOX, SO2, TRS