Fonds consists of records pertaining to the administrative, operational, financial, and artistic activities of the ASO. Included are materials documenting the Board of Directors, box office operations (including ticket sales), financial affairs, fundraising, general administration, guest artists, orchestra members, public relations and publicity, and the union. Also included is the photograph series which presents a visual record of various aspects of the orchestra's activities, including performances and women's auxiliary events as well as publicity shots of musicians, conductors, staff, and guest artists.

Fonds consists of records regarding a wide range of activities of the Halifax branch of the Engineering Institute of Canada, including administrative deliberations, recognition and management of members, meetings, educational initiatives and financial management. The fonds contains correspondences, minutes of meetings, administrative records, financial statements, photographs and others textual records.