"Nonprofit scientific society devoted to advancing the scientific understanding of the mechanisms underlying thought and intelligent behavior and their embodiment in machines." http://www.aaai.org
The ACL is the international scientific and professional society for people working on problems involving natural language and computation. http://www.aclweb.org/
Promotes the study, research, and publication of AI work in Europe. News, members, charter, directory, activities, conference, and history. http://www.eccai.org/
Non-profit association for the advancement of AI in Catalan society. Aims to support communication between the persons and organizations involved in AI and promote social, cultural, scientific, economic and governmental awareness. http://www.acia.org
DAIS coordinates AI research in Denmark with AI in the rest of the world. It promotes such conferences as SCAI, ECCAI,IJCAI and informs its members of AIactivities in a monthly electronic newsletter (about 200 pages most in english). http://www.daimi.au.dk/~brian/dais.html