Ecolab, Inc. engages in the provision of technology and services in the field of water, hygiene, and energy. The firm supports the foodservice, food processing, hospitality, healthcare, industrial, and and gas industries. It operates through the following segments Global Industrial, Global Institutional, Global Energy, Other, and Corporate. The Global Industrial segment provides water treatment and process applications; and cleaning and sanitizing solutions. The Global Institutional segment specializes in cleaning and sanitizing products among foodservice, hospitality, lodging, healthcare, government, education, and retail markets. The Global Energy segment serves the process chemical and water treatment needs of the petroleum and petrochemical industries. The Other segment refers to pest elimination and kitchen equipment repair; and maintenance in restaurants, food, and beverages processing plants; as well as educational and healthcare facilities, hotels, quick service restaurants and grocery operation, and other customers. The Corporate segment covers corporate activities. The company was founded by Merritt J. Osborn in 1923 and is headquartered in St. Paul, MN.