Program Information Founded in 1983, Keller Williams Realty Inc. is an international real estate company with more than over 600 offices located across the U.S. and Canada. The company began franchising in 1991, and following years of phenomenal growth and success, became the fourth-largest U.S. residential real estate firm in North America in 2006. The company has succeeded by treating its associates as partners and shares its knowledge, policy control, and company profits on a system-wide basis.