At Madison, our mission is to take a comprehensive approach to liquid level management with technical expertise, reliable products, and outstanding service. Madison Company has been a leader in liquid level technology since 1959 and offers standard and custom-designed reed switch based liquid level sensors. Additional technologies include ultrasonic, optical, radar, pressure, visual, and conductivity sensors. Madison can produce sub-assemblies, complete with tank, installed sensor and wiring ready to install in your product. Our manufacturing capabilities include: Precision machining and CNC turning to meet your specifications Welding & fabrication Wiring harness assembly We are a proud 'Made in the USA' company that creates successful outcomes for our customers.