Founded in 1908, The National Association of REALTORS® (NAR) is the largest trade organization in the United States; with approximately 1.3 million members involved in all aspects of the residential and commercial real estate industries besides 1,200 local associations/boards and 54 state/territory.Working for America's property owners, NAR provides a facility for professional development, research, and exchange of information among its members and to the public and government for the purpose of preserving the free enterprise system and the right to own real property.