Note most of the associations listed below are "for profit". And not all video game developers in their covered regions are members. For example Auran of Australia a highly reputable game developer is not listed in the IEAA of Australia membership listing.Entertainment Software Association -
http://www.theesa.comUnited States
International Game Developers Association -
http://www.igda.org/Global - Non Profit
Interactive Entertainment Association of Australia -
http://www.ieaa.com.auAustralia
Tiga -
http://www.tiga.org/European (including the UK)