Communication Studies & Social Sciences

Alliance For Community Media(USA)
Alliance for Competitive Communications (formerly MFJ Task Force, USA)
American Communication Association
Asian Mass Communication Research & Information Centre, AMCRIC
Association for Progressive Communications
Census Bureau (USA)
Center for Global Communications (Japan)
Communication Institute for Online Scholarship
European Communication Association
European Sociological Association
European Speech Communication Association
F-Pro, Freelance Professionals (Canada)
The Freedom Forum (USA)
Institute for Global Communications
Institute for Research in Social Science
International Association of Business Communicators
International Communication Association
International Communications Industries Association
International Interactive Communications Society
International Telecommunications Union (Switzerland)
Media Development Association (UK)
National Multimedia Association of America
The Nieman Foundation at Harvard University.
Poynter Institute for Media Studies(USA)
Southeast Asian Ministers of Education Organization, SEAMEO

Broadcast Media

Academy of Motion Picture Arts and Sciences (USA)
Academy of Television Arts and Sciences (USA)
Association of America's Public Television Stations, APTS Washington, D.C.
Associazione Italiana Teleradio Indipendenti, ANTI Italy
Australian Film Institute
British Film Institute
Broadcast Education Association (USA)
Cable Television Laboratories
Canadian Radio-television and Telecommunications Commission
Directors Guild of America
Entertainment Services and Technology Association
The European Broadcasting Union
International Television and Video Association
International Television Association
International Webcasting Association
Motion Picture Association of America
North American National Broadcasters Association
National Association of Broadcasters (USA)
Producer Alliance for Cinema and Television (UK)
Public Broadcasting Service (USA)
World Association of Community Radio Broadcasters, AMARC
CinemaSpace contains academic papers, film theory and critique, etc. Page provided by the Film Studies Program at UC Berkeley
Pablov International contains information on Japanese cinema and media culture. Technical stuff on movie industry is available on Cinema Technology Sites. Screenwriters, try this.

Journalism & Publishing

American Amateur Press Association
American Booksellers Association
American Society of Magazine Editors
American Society of Newspaper Editors
Asian-American Journalists Association
Association for Education In Journalism & Mass Communication
Association of American Publishers
Association of American University Presses
Association of Learned and Professional Society Publishers, ALPSP
Austrian Journalists Club
California Newspaper Publishers Association
California Society of Newspaper Editors
Canadian Association of Journalism
Council of Editors of Learned Journals, CELJ
European Newspaper Publishers Association
International Press Institute
International Publishing Management Association
Journalism Education Association
Magazine Publishers of America
National Association of Broadcasters
National Association of Printers and Lithographers (USA)
National Court Reporters Association (USA)
National Newspaper Association (USA)
National Press Club
National Press Photographers Association (USA)
National Scholastic Press Association
National Society of Newspaper Columnists (USA)
Native American Journalists Association
Newspaper Association of America
Organisation of News Ombudsmen
Poynter Institute (USA)
Printing Industries of America
Society for News Design (USA)
Society of Environmental Journalists (USA)
Society of Professional Journalists (USA)
Swedish Newspaper Publishers' Association
John Makulowich provides a very good source on Journalism, while Journalism and Communications Academic Sites provides links to information on university programs at US, Sweden, New Zealand and Canada. Other sites include European Journalism Links and Newslink

You are also welcome to add on to this list by informing me of sites I have missed out.
Last updated on 17th June 1998.