About MadisonSensor

MadisonSensor was founded in a Connecticut garage in 1959, originally known as Madison Company. Today, we’re proud to be a second-generation, family-owned business and a globally recognized leader in designing and manufacturing liquid level sensors and switches.

With ISO9001 certification and decades of experience, our expert engineering team is known for its dedication to quality. Every product we make is carefully crafted and thoroughly inspected at our Branford, Connecticut facility before it reaches our customer, ensuring it meets the highest standards.

We offer a wide selection of stock products, but what really sets us apart is our ability to create custom solutions in close collaboration with OEMs and other partners. Whether you're in the medical, food and beverage, semiconductor, or off-highway vehicle industries, MadisonSensor delivers reliable, long-lasting sensor solutions tailored to your needs.