Keller Williams. Realty Inc. Founded in 1983,  is an international real estate company with more than 380 offices located across the U.S. and Canada. Keller Williams began franchising its offices in 1991, and following years of phenomenal growth and success, Keller Williams is currently the fourth-largest U.S. residential real estate firm in North America and growing.
Keller Williams is the #1 growing real estate in the United States.