Ian Lester Thompson

Part of Xylem, Inc., Bellingham & Stanley Ltd. is a leading manufacturer of refractometers, polarimeters, and density meters. The company was founded in 1914 and is based in Farnborough, UK. Bellingham's instruments are widely used in the food, drinks, pharmaceutical, chemical, and petroleum industries. The British company also provides calibration materials and digital density meters for measurement and specific gravity.

Part of Xylem, Inc., Xylem Analytics UK Ltd. is a manufacturer of instrumentation with a focus on water quality and flow monitoring instruments. Founded in 2003, the company is based in Letchworth, UK, with additional offices in Tunbridge Wells. Xylem Analytics offers a rental fleet of instruments ranging from handheld water quality instruments to autonomous underwater vehicles designed to create high-resolution maps of water quality and bathymetry. The British company is a major manufacturer of water quality and hydrology monitoring instruments, including leading brands like YSI, SonTek, Water, MJK, SI Analytics, OI Analytical, and WTW.

Founded in 1950, Xylem Water Solutions UK Ltd. is a subsidiary of Xylem, Inc. that wholesales heat exchangers, pumps, hydro turbines, and related water treatment equipment. The company is based in Colwick, UK.