Keller Williams Integrity is a real estate firm that offers a range of property buying and selling services. The company has been in operation since 2004. It offers a variety of three- to six-bedroom residential units. The company offers a selection of online tips for buyers and sellers. Keller Williams Integrity also provides online information on neighborhoods, schools and other amenities. It is a member of the Multiple Listing Service. The company maintains locations in Minnesota and Wisconsin. In addition, it provides online property search options. Keller Williams Integrity is a part of Keller Williams Realty, which is one of the leading residential real estate firms in North America. Founded in 1983, Keller Williams Realty maintains more than 600 offices throughout the United States and Canada.