CompanyNewsletters.com  - Large collection of articles on how to write and produce company newsletters, whether a traditional printed or online version.

International Association of Business Communicators  - A worldwide learning community for professionals committed to improving the effectiveness of organizations through strategic communication. Articles, conferences, career opportunities.

Philadelphia Sports Writers Association  - A voice for the media concerning working press conditions as well as providing fraternal activities for members.

The Corporate Writer  - A freelance writer shares her expertise and knowledge with other writers offering an e-course, an e-book, and reports.