Ecolab, Inc. engages in the provision of products and services in the field of water, hygiene, and energy. The firm serves the foodservice, food processing, hospitality, healthcare, and industrial 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 for industrial customers; and cleaning and sanitizing solutions for the food and beverage, and textile care industries. 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 exploration, production, and 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, hotels, quick service restaurants, and other customers. The Corporate segment includes certain corporate expenses. The company was founded by Merritt J. Osborn in 1923 and is headquartered in St. Paul, MN.