Gems Sensors & Controls designs and develops liquid, flow, and pressure level sensors including ultrasonic level sensors, float type level switches, thin film pressure transmitters, Piezo-Resonant liquid level sensors, and more.

Madison provides liquid level and precise tank level measurement including sensors and flaot switches for applications requiring radar level sensors, ultrasonic sensors, continuous level indicators, single and multi-point liquid level float switches, and more.

Sensor Technics provides level measurement for liquids including sensors and switches such as hydrostatic level sensors for corrosive & aggressive media, capacitive level sensors available in miniature size with contact free and optical liquid level switches with no moving parts and high media compatability.