Ecolab, Inc. engages in the provision of products and services in the field of water, hygiene, and energy. It operates through the following segments: Global Industrial, Global Institutional, Global Energy, and Others. The Global Industrial segment consists of the water, food and beverage, paper, life sciences and textile care operating segments. It offers water treatment and process applications, and cleaning and sanitizing solutions, primarily to large industrial customers within the manufacturing, food and beverage processing, transportation, chemical, primary metals and mining, power generation, pulp and paper, pharmaceutical and commercial laundry industries. The Global Institutional segment consists of the institutional, specialty and healthcare operating segments. It provides specialized cleaning and sanitizing products to the foodservice, hospitality, lodging, healthcare, government, education and retail industries. The Global Energy segment serves the process chemicals and water treatment needs of the global petroleum and petrochemical industries in both upstream and downstream applications. The Other segment offers services to detect, eliminate and prevent pests, such as rodents and insects. The company was founded by Merritt J. Osborn in 1923 and is headquartered in St. Paul, MN.