The Association of Professional Art Advisors (APAA) is a not-for-profit organization comprised of leading independent art advisors, curators and corporate art managers.

American Society of Artists is a National professional membership Organization.The American Artisans (Crafts Division) is an integral part of American Society of Artists.

Intuit is a not-for-profit organization founded in 1991. Our mission is to promote public awareness, understanding, and appreciation of intuitive and outsider art through a program of education, exhibition, collecting and publishing.

The organization was founded in 1952 by the directors of six major Midwestern museums to provide professional, high quality, and cost effective art conservation services.

IASAC was founded to foster friendship and promote awareness and trade among the community of silver art collectors, dealers and producers.

The Enamelist Society was established in 1987 and its primary purpose is to advance and promote the art of enameling.

The American Historical Print Collectors Society (AHPCS) is a non-profit group that encourages the collection, preservation, study, and exhibition of original historical American prints that are 100 or more years old.

The Japanese Art Society of America (JASA) promotes the study and appreciation of Japanese art. Founded in 1973 as the Ukiyo-e Society of America by collectors of Japanese prints, JASA's mission has expanded to include related fields of Japanese art.

The Baltimore Area American Flyer Club is a non-profit model railroad club dedicated to the preservation and operation of American Flyer Trains.