About MadisonSensor

MadisonSensor, which was originally known as and is now a division of Madison Company, was founded in a Connecticut garage in 1959. Today, we’re proud to be a second-generation, family-owned business and a global leader in engineering, designing and manufacturing commercial-grade liquid level sensors, liquid level switches, and flow switches.

With ISO9001 and AS9100 certifications and decades of experience, our expert engineering team is highly regarded for its dedication to quality. Our USA-made products are carefully crafted and thoroughly inspected at our Branford, Connecticut facility before reaching customers, ensuring they meet the most rigorous standards.

MadisonSensor offers a wide selection of in-stock single-point level, multi-point level, continuous level, and flow switches that can be customized for quantity purchases. However, what really sets MadisonSensor apart is our ability to design and build custom solutions in close collaboration with our OEM partners.

Whether you're in the medical, food and beverage, semiconductor, data center, or off-highway vehicle industries, MadisonSensor delivers reliable, long-lasting sensor solutions tailored to your needs. With MadisonSensor, you install more than a product, you install confidence.