Appraisal Institute is an international membership association of realtors dedicated to helping educated realtors in appraising commercial and residential property values. It offers extensive courses and seminars that help educate realtors of all experience levels in accurately assessing a property's value. It also publishes two quarterly periodicals, and offer members a variety of benefits such as, insurance programs, data resources and tools, and other business materials. Appraisal Institute was created in 1991 as the result of a merger between two older appraisal groups, which were founded in 1932 and 1935. Hence, it is one of the oldest and most prestigious appraisal societies in the world.