The American Theatre Organ Society (ATOS) is an international non-profit organization comprised of worldwide volunteer members who are committed to helping preserve and perpetuate the musical theatre pipe organ heritage that began in the early 20th century. Membership is made up of musicians, technicians, hobbyists, educators, and others who enjoy the music of the theatre pipe organ. Founded in 1955, the ATOS consists of regional member-chapters and is led by democratically elected leaders. It operates in accordance with 501 (c) (3) regulations.
To preserve, protect, promote and present a truly American musical invention, the theatre pipe organ and its musical art form, worldwide;
To ensure that the few remaining instruments are played wherever possible to provide entertainment to the public as a solo instrument or part of an ensemble, and to accompany silent films.
To encourage industry-accepted restoration and maintenance methods and techniques to ensure performance ability for future generations;
To assist local chapters and our members by providing coordinated support in education, concert promotion, and marketing to further our mission.