Essbio S.A. primarily engages in the catchment, decantation, filtration, disinfection, purification, storage, and distribution of water. It also provides sewage collection and treatment, sludge treatment, and liquid industrial waste treatment services; sewers maintenance services; and project management, advisory, and technical assistance for rural health services. The company serves agro-industrial, forestry, port, and mining sectors, as well as commercial and residential customers primarily in the regions of O'Higgins and Biobío in Chile. Essbio S.A. was founded in 1990 and is based in Concepción, Chile.