King Koil, founded by Samuel Bronstein in a small factory in St. Paul, MN in 1898. Over the course of more than 100 years, we have grown to comprise 10 U.S. licensees and 30 international licensees — a long way from our original six employees in Minnesota.Today, our top-quality mattresses can be found in retail stores, homes and world-class hotels in more than 60 countries.