The Appraisal Institute (AI), headquartered in Chicago, Illinois, is an international association of professional real estate appraisers. It was founded in January 1991 when the American Institute of Real Estate Appraisers (AIREA) and the Society of Real Estate Appraisers merged. The AIREA and the Society were respectively founded in 1932 and 1935. As of February 2007, it has more than 21,000 members and 99 chapters throughout the United States, Canada and overseas.
- "About Us". Appraisal Institute.