These are the key agencies for composers, as well as some good sources of information.
Please note that these links will take you outside the SCGC site.
Performing Rights Societies
SOCAN (Society of Composers, Authors and Music Publishers of Canada)
BMI (Broadcast Music, Inc.)
ASCAP (American Society of Composers, Authors and Publishers)
SESAC (Society of European Stage Authors and Composers)
SPACQ (Société Professionnelle des Auteurs et des Compositeurs du Québec)
SODRAC (Society for reproduction rights of authors, composers and publishers in Canada)
CMC (Canadian Music Centre)
CLC (Canadian League of Composers)
S.A.C. (Songwriters Association of Canada)
SCL (Society of Composers and Lyricists)
AFM (American Federation of Musicians)
DGC (Directors Guild of Canada)
WGC (Writers Guild of Canada)