Ecolab is a provider of water, hygiene, and energy technologies and services. The company delivers comprehensive solutions and on-site service to promote safe food, maintain clean environments, optimize water and energy use, and improve operational efficiencies for customers. Ecolab offers water treatment and process applications, cleaning and sanitizing solutions, as well as provides specialized cleaning and sanitizing products to various industries. It also supplies the process chemicals and water treatment for the petroleum and petrochemical industries. In addition, the company offers pest elimination services and equipment repair, maintenance, and preventive maintenance services.