PRSA - Public Relations Society of America
- Tampa Bay Chapter, a membership society of public relations practitioners. Services include programs of professional development and accreditation and promotion of ethical standards for public relations.
- http://www.prsatampabay.org

St Petersburg Times Classifieds
- Published each Sunday with daily updates.
- http://sptimes.com/classified/

Tampa Bay Black Business Investment Corporation
- Facilitates the development and growth of African-American owned businesses in Hillsborough and Pinellas Counties.
- http://www.tampabaybbic.com

Tampa Bay Business Link
- Directory of businesses including advertising, art galleries, and restaurants. Links to area libraries, newspapers and media.
- http://tampabaybusinesslink.com

HelloTampaBay.com
- Business networking portal offering a calendar of events, links to chambers of commerce and clubs, online shopping for sales development and motivational books, and a link to scheduled events at the convention center. Paid submissions, ad rates posted.
- http://hellotampabay.com/

In Tampa
- Listing of local businesses by category. Chambers of Commerce, advertising, entertainment, and contact information.
- http://www.intpa.com/

The Tampa Bay Partnership
- Includes news, market links, demographics, community, high tech, and manufacturing information.
- http://www.tampabay.org/