The Organ Historical Society, with EIN 23-6434365, is dedicated to the celebration, preservation, and study of the pipe organ in America through research, education, advocacy, and music. Operating with a budget of $1 million and generating total revenue of $2.8 million in 2024, the organization benefits from significant funding from multiple sources, with no single funder contributing 50% or more of its revenue. More information can be found on their website at https://organhistoricalsociety.org/.