The Art Dealers Association of America (ADAA) is a nonprofit membership organization of the nation's leading galleries in the fine arts. Box 218, Northwood, NH 03261 • 603-942-6498 • Privacy Policy • Dealer Login • Privacy Policy • Dealer Login and Art Dealer's Association. ADAA represents nearly 180 member galleries in 30 U.S. cities. Organized annually by the ADAA, The Art Show offers intimately scaled and thoughtfully curated presentations by the nation’s leading fine art dealers, providing audiences a rich selection of works from the late 19th century through today. The ADAA Appraisal Service has over 50 years of experience in appraising fine art. Working with these member galleries, ADAA appraisers offer assessment services for artworks spanning from the Renaissance to the present day. ADAA members deal primarily in fine art from the Renaissance to the present day. Founded in 1962, the Art Dealers Association of America is a vetted community of more than 180 top-tier galleries across the United States. Terms & Conditions; © Antiques Dealers' Association of America P. O. Each member is an experienced and knowledgeable dealer in their field. The department appraises works for donation, estate, gift tax, and insurance purposes. Founded in 1954, NAADAA is America's premier Antique and Art Dealer's Association.