I went digging.
APRA = Australasian Performing Right Association Limited
ECAD = Escritório Central de Arrecadação e Distribuição
SOCAN = Society of Composers, Authors and Music Publishers of Canada
VCPMC = Vietnam Center for Protection of Music Copyright
CS stands for collections society. In another age CS would stand for the Mafia.
CS stands for collections society. In another age CS would stand for the Mafia.
All but ECAD were found from here: https://www.cisac.org/