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Madison Company


Madison Company has been manufacturing float switch and liquid level sensor in the United States for over 55 years. After starting in float switch manufacturing, Madison Company has strived and now provides some of the best sensor solutions for liquid level, in addition to pressure and temperature measurement, for the most demanding float switch applications.

Whether you need a single point float switch or continuous liquid level sensor, Madison Company can direct you to the proper float switch and liquid level sensor solution. Madison Company offers standard float switch sensors in stock for same day shipment, and can also custom configures mulit-point float level switches in only 4 days. Our company has prided ourselves on understanding our customers OEM applications to provide float switch designs that are both cost effective and manufactured to provide years of dependable service. Many of our OEM float switch customers have been with Madison for many of years in the sensor buiness. We manufacture float switches that stand up to harsh environments, hazardous locations and pressures. Many Madison float switch designs meet agency approvals like UL, CSA, and NSF, and we remain one of the worlds best know providers of float switches to the food equipment industry. We even manufacture float switches that are certifed to withstand temeratures to 250 degrees C for food fryers and high temperature chemical processing.

Whether you need a float switch, continuous liquid level sensor, pressure or temperature sensor, utilized in Water and Waste Water Tanks, Food and Food Processing Equipment, HVAC, Specialty Vehicles, Medical, Marine, Washing Equipment, or any Industrial Application, let Madison Company provide it. In addition to liquid level sensing and float switch technologies, we also manufacture non-contact liquid level sensors such as ultrasonic and radar level sensors. Furthermore, Madison's extensive product line offers combination liquid level float switches and custom sensors, and our experienced engineering staff has the technical expertise to design and manufacture custom liquid level sensing solutions for even the toughest of applications.

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Technical Articles

Application Note: Tank Level Control (Level Sensing) A distributor in Indiana used short-range ultrasonic sensors on his bulk liquid tanks to gauge the volume of product left in his tank before he needed to call for a delivery to replenish the... (View Full Article)
Float Switch Guide (Level Sensing) Common specifications and characteristics of float switches. (View Full Article)