Membership of the ISO is open to firms which build pipe organs or supply organ components.
Members receive all ISO publications and have full access to congresses, workshops, symposiums and other ISO activities.
Membership fees are calculated according to the size of each firm. Please find the details


Suitably qualified individuals may become Associate Members.
Honorary Membership is awarded for distinguished service to the organization and/or the profession.


Applications for membership are warmly welcomed, and are subject to approval by the ISO Board.
Further information may be obtained from the ISO Secretary

Members list