IEEE Computer Society  
   Promotes research and serves as a provider of technical information and standards to computing professionals. Has news, articles, organization and publication information, and suborganization information.
   http://www.computer.org/

Computing Research Association  
   Seeks to strengthen research and education in computing fields. Membership, event and job information.
   http://www.cra.org/

Informatics Society of Iran  
   Committed to the advancement of computer knowledge and standards in Iran. Introduction, membership information and past reports.
   http://gpg.com/MERC/org/isi/isi.html

Council of European Professional Informatics Societies  
   Promotes to European bodies the views of informatics professionals, encourages professional competence. Organization and professional standards information, position papers and online journal.
   http://www.cepis.org/

International Federation for Information Processing  
   Seeks to foster collaborative research and to facilitate communication between those involved in Computer Science research, practice and use. Includes description, calendar, subgroup information and newsroom.
   http://www.ifip.or.at/

USENIX: The Advanced Computing Systems Association  
   Supports IT professional development, and application-oriented research. Includes industry news, calendar and online magazine.
   http://www.usenix.org/

International Society for Computers and Their Applications  
   Seeks to promote Computer Science and Engineering with a view towards applications. Includes information on the society and on membership, as well as conference and journal descriptions.
   http://www.isca-hq.org/

Finnish Society for Computer Science  
   Founded in 1982 to advance computer science research, promote new applications based on research, and to increase the collaboration between computer scientists and practitioners. Contains organization information. [English/Finnish/Swedish]
   http://www.funet.fi/org/tkts/index-eng.html

John von Neumann Computer Society  
   Hungarian group promoting research and computer literacy, and facilitating the exchange of information and experience between computing professionals. Contains a description of the group and its activities. [Hungarian/English]
   http://www.njszt.hu/51english/frindex.htm

Computer Society of South Africa  
   Promotes high standards for IT professionals in South Africa, and the protection of privacy standards. Includes society, member, project and event information.
   http://www.cssa.org.za/

British Computer Society  
   Promotes professional standards, advises UK government and represents the profession. Gives member, professional-development and event information and forums.
   http://www1.bcs.org.uk/

Austrian Computer Society  
   Seeks the "comprehensive and interdisciplinary promotion of information processing." Has organization information, mailing list and conference information. [German/English]
   http://www.ocg.at/english/index.html

Norwegian Computer Society  
   Offers IT workers professional development opportunities and gives the Norwegian government input on IT issues. English information includes a description of the group and its purpose. [Norwegian/English]
   http://dataforeningen.no/ncs/

Australian Computer Society  
   Promotes IT issues and professional development. Information about membership, publications, events, courses and exams and certification.
   http://www.acs.org.au/

European Association for Theoretical Computer Science  
   Aims to facilitate the exchange of ideas and results among theoretical computer scientists and to stimulate cooperation between theorists and practitioners. Has organization, publication and activities information and news.
   http://www.eatcs.org/

German Society for Online Research  
   Co-hosts the German Online Research Conferences (GOR) and supports the betterment of Online Research and Internet Science. Has organization, membership and conference information.
   http://www.dgof.de/indexe.htm