De.mem Limited designs, builds, owns, and operates modern water treatment systems for industrial, municipal, and residential sector in Australia, Singapore, and Germany. The company provides specialty chemicals, such as anti-scalants, corrosion inhibitors, deand antifoamers, membrane cleaners or flocculants, and coagulants; membrane-based water or wastewater treatment systems; and build, own, operate, and transfer services. It serves mining, infrastructure, chemicals, food and beverages, agriculture, oil and gas, and heavy industrial sectors. The company was founded in 2013 and is headquartered in Melbourne, Australia.