Acquired by Ecolab in 2011, Nalco Water is a leading provider of water management and treatment technologies. In addition to providing solutions for cooling water systems, boiler water systems, reverse osmosis for ultrapure water production, and air handling, Nalco also offers testing, inspection and analytical services, including industrial internet of things (IIoT) monitoring systems. The company’s flagship 3D TRASAR technology digitally monitors water parameters for cooling and process water to optimise chemical dosing and deliver water and energy savings. Nalco's process-critical closed loops, which help control temperature, have been implemented in semiconductor fabs to prevent microbiological build-up and corrosion. Previous major clients of Nalco include NXP Semiconductor, Intel, and Samsung Austin Semiconductor.