As one of the largest and fastest growing United States residential real estate firms, Keller Williams Realty began franchising in 1991 and is growing by approximately 1,500 agents a month. Established in 1983, Keller Williams Realty is an international real estate company with nearly 500 offices located throughout North America. Keller Williams real estate agents have intimate knowledge of each community's character, mood and growth potential. It offers its members career and business training through Keller Williams Universities educational programs focusing on increasing personal productivity, marketing skills and career development of all its team members. The company has an internal funded department designed to provide technology research and tools for all of the company s associates and their brokers. Keller Williams maintains an office in Houston, Texas.