LMI Milton Roy is the leading manufacturer of Chemical Metering Pumps, Controllers, and accessories. LMI manufactures a wide range of electronic and motor-driven metering pumps and controllers for simple chemical addition, to complete systems to control conductivity, pH, and ORP. LMI products are designed and manufactured in our ISO9001:2000 facilities throughout the world for reliable, dependable operation in a variety of applications including; cooling towers, boilers, potable water, wastewater, swimming pools, plating, mining, car wash, oil & gas, etc.