Ecolab, Inc. engages in the provision of technology and services in the field of water, hygiene and energy. It supports the foodservice, food processing, hospitality, healthcare, industrial as well oil and gas industries. It operates through the following segments Global Industrial, Global Institutional, Global Energy, and Others. The Global Industrial segment provides water treatment and process applications, and cleaning and sanitizing solutions primarily to industrial customers with the manufacturing, food and beverage processing, chemical, mining, and primary metals, power generations, pulp and paper and commercial laundry 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 process chemical and water treatment needs of the petroleum and petrochemical industries in upstream and downstream group including oil field chemicals businesses and refinery and petrochemical processing businesses. The Other segment refers to pest elimination and kitchen equipment repair and maintenance in restaurants, food and beverages processing plants, educational and healthcare facilities, hotels, quick service restaurants and grocery operation and other customers. The company was founded by Merritt J. Osborn in 1923 and is headquartered in St. Paul, MN.