Xylem Analytics Germany Sales GmbH & Co. KG markets the WTW brand of measurement technology, part of the Xylem Group (water technology) since 2011. WTW has over 70 years of experience and makes process instrumentation for wastewater, drinking water and industrial applications (sensors, analyzers, controllers, samplers, accessories) as well as laboratory equipment. Most products are manufactured in Weilheim, Bavaria.