Where is Ecolab based?

Ecolab is based in St. Paul, Minnesota, United States, with its corporate headquarters located at 1 Ecolab Place, St. Paul, Minnesota 55102, which is part of the Minneapolis-St. Paul twin cities metropolitan area. The company was founded in 1923 in St. Paul as Economics Laboratory by Merritt J. Osborn, who developed a product called Absorbit that cleaned hotel carpets without removing them. Since then, Ecolab has remained headquartered in Minnesota for over 100 years, though it now operates globally in more than 170 countries with offices, plants, and research centers worldwide, including major facilities in Eagan, Minnesota, and Naperville, Illinois for its Nalco Water division. Its headquarters in St. Paul houses executive offices, research and development labs, and training facilities. Ecolab is listed on New York Stock Exchange under ticker ECL and is part of S and P 500. While based in Minnesota, it has large presence in Chicago area due to acquisition of Nalco in 2011, and has international headquarters in various regions. So Ecolab is an American company based in St. Paul, Minnesota, USA, not in Europe or Canada, though it has Canadian operations and is major employer in Minnesota.