The privately owned business was founded in 1903 by Danish immigrant Hans Andersen and his family in Hudson, Wisconsin, where logs arrived via the St. Croix River. Today, Andersen Corporation is an international enterprise employing over 9,000 people at more than 20 locations with headquarters in Bayport, Minnesota, a 2.8 million-square-foot facility that covers 65 acres. Andersen annually manufactures more than six million wood windows and doors, with sales worldwide.