Madison Company, a leader in liquid level technology for over 50 years, offers a wide range of technologies to monitor level in water and wastewater applications. Our products are made of heavy-duty, durable, long-lasting materials ideal for holding tanks of all sizes, open pits, ponds, streams, water reservoirs and more. Standard products include simple switches for single-point level indication to advanced non-contact sensors, including radar and ultrasonic, for continuous level measurement. Engineering & design assistance is available. Our proactive internal Quality Assurance team & external auditors assure strict conformation to system & product requirements. ISO 9001:2008 Certified.