Keller Williams Realty
 Keller Williams Realty is a real estate franchise organization in the United States and Canada with headquarters in Austin Texas. It was founded by Gary W. Keller and Joe Williams in 1983. The company began franchising in 1991 and expanded to Canada in 1998 with sales and commissions growth topping 700 percent since 1995. The firm has grown from a single office in Austin to the largest real estate company in the United States and Canada by agent count with over 80000 agents.