National Association of Pastoral Musicians (NPM)
American-based association of Pastoral Musicians. Membership available. Large annuals conventions. Publishers of numerous liturgical music resources.

Royal Canadian College of Organists (RCCO)
Professional association for Canadian organists. The web site has a link for the Ottawa center that provides valuable information on organ activities in the Ottawa area. Membership includes a subscription to Pipelines (Ottawa Centre monthly newsletter) and to The American Organist (AGO magazine). The center offers monthly activities related to organ and/or choral music.

Royal School of Church Music (RSCM)
Membership available for anyone interested in Church Music. Membership includes subscription to CMQ - Church Music Quarterly. General Information on the association can be found at their web site. Music from the RSCM is distributed through GIA Publications.
Membership for Eastern Ontario Branch:
RSCM Eastern Ontario Branch
447 McAuley Rd,
Prescott, ON K0E 1T0

The Hymn Society
Devoted to the development and promotion of congregational songs. All denominations. Memberships available for Canada.