Communications Workers of America - Represents 600,000 workers in telecommunications, printing and news media, public service, health care, and other industries. - http://www.cwa-union.org/
Alliance@IBM - Union organizing campaign by IBM workers in association with the Communication Workers of America. - http://www.allianceibm.org/
The Newspaper Guild - A Sector of the Communications Workers of America representing newspaper workers. - http://www.newsguild.org/
Canadian Media Guild - Representing about 4,500 employees at the Canadian Broadcasting Corporation, Canadian Press/Broadcast News, Reuters, Agence France-Presse and about 500 people who work as freelancers. Affiliated with the Communications Workers of America. - http://www.cmg.ca/