MTS Sensors manufactures Temposonics Linear-position and Liquid-Level Sensors for retrofit applications as well as applications that require rigid sensors as in the food and beverage industry. Models include the M-Series analog sensors, M-Series digital sensors with temperature ranges of -40C to 125C and intrinsically safe and sanitary configurations.

Flowline is a manufacturer of a broad range of level measuring products including sensors for water fountain level measurement, RV waste water disposal sensors, storm water level measurement equipment, water resource management products and multi-function transmitter switch/controller sensors for a wide range of applications.

Automation Products Group designs and manufactures liquid level sensors and float switches including the MP series magnetostrictive liquid level sensors. Theses sensors are high resolution float level monitors featuring loop powered 4-20 mA , user adjustable 4 mA and 20 mA setpoints, .1" resolution, lengths up to 20' and temperature sensing options. Other products include the KA-1H cable suspended float switch with no external moving parts, polypropylene float body and no mercury or lead.

Willmington Instrument Co manufactures submersible liquid level sensors like the 1730/1740 series, a general purpose hydrostatic liquid level sensor, designed to work in low powered, arduous applications, including surface water, ground water and tank level.

Measurement Specialties is a manufactures of a broad array of sensor products including liquid level pressure sensors like the LM series stainless steel sensor housed in a PVC plastic fitting. The LM series is ideal for irrigation, RV and marine holding tank level, water storage and recycling systems, chillers and evaporativie coolers.

PGK is a manufacturer of a variety of liquid level controls including the PGK Level Alert 3000 Relay Controller and the LA2000 Multi-Switch weather resistant liquid level sensor.

Panner Fluid Handling and Control Systems is a manufacturer of liquid level monitoring and control equipment including the flowline ultrasonic level tranmistters like the Echopad with a range of 49" and the EchoSonic II with a 32' range, 2-wire 4-20 mA output, 1" or 2" process connection.

Icenta is a UK-based supplier of flow meters, level sensors and control instrumentation used in a variety of process industry and manufacturing applications. Products include a variety of flow meters and sensors for monitoring fuel oil consumption, small quantity sensing, low flow rate sensors and more.