Ecolab Inc. provides water, hygiene, and energy technologies and services for customers worldwide. The company operates in four segments: Global Industrial, Global Institutional, Global Energy, and Other. The Global Industrial segment provides water treatment and process applications, and cleaning and sanitizing solutions primarily to large industrial customers within the manufacturing, food and beverage processing, chemical, mining and primary metals, power generation, pulp and paper, and commercial laundry industries. The Global Institutional segment offers specialized cleaning and sanitizing products to the foodservice, hospitality, lodging, healthcare, government and education, and retail industries. The Global Energy segment provides the process chemicals and water treatment needs of the petroleum and petrochemical industries in upstream and downstream applications. The Other segment offers pest elimination, and kitchen repair and maintenance services. The company sells its products through company-employed field sales personnel, healthcare distributors, and dealers. Ecolab Inc. was founded in 1923 and is headquartered in St. Paul, Minnesota.