| ABB |
Differential Pressure Transmitters |
| Berthold |
Non Contact Point Level Switch(s) and Continuous Level Measurement and Radar System Measurement |
| Drexelbrook |
Ultrasonic, magnetostrictive, hydrostatic, radar and TDR instrumentation for level and open channel flow |
| Fluid Components International |
Thermal Dispersion Point Level Switches, Interface Level |
| Kenco |
Magnetic and Armored Tank Level Gauges, Oil Level Controllers & Safety Switches, Continuous High Accuracy Level Measurement with Field Indicators |
| Kobold |
Float Level Indicators & Switches, Rotameters, Compact Flowmeters & Level Transmitters |
| Optech |
Laser Level & Positioning System |
| UWT Level Control |
Acoustic Wave, Rotating Paddle, Vibration - Continuous or Switches. |