Blogs

http://pat1huey.com/

Education

Jones University

http://la.thepublicschool.org

Entertainment

http://myplay.com/music

http://www.understandrap.com admin=wrb123 Seatle, WA

General Business

Government

http://www.recovery.gov
http://www.nysenate.gov

Images

http://meripagedesign.com

http://www.varunbaker.com

Marketing/Design

http://heavybagmedia.com

Media, Entertainment, Publishing, Online News, Magazines etc

Internet News Sites:
http://www.theonion.com
http://www.fastcompany.com
http://www.secretsofthecity.com
http://www.mylifetime.com
http://www.flypmedia.com
http://catalogmagazine.com
http://airamerica.com

Movies:
http://www.publicdff.gr (Public Digital Film Festival)

Music:
http://myplay.com/music
Southern Rock Band

Newpapers:
http://Jacksonville.com
http://www.observer.com

Magazines:
http://www.popularscience.com
http://www.openthemagazine.com/  

There is a special distribution targetted to publishers:
http://www.opensourceopenminds.com/openpublish
 

Medical & Health

Non-profit

http://www.artic.edu/aic/collections
http://ccrjustice.org
http://www.wineinstitute.org
http://www.conservationfund.org
http://www.oceanicsociety.org
http://publius.cc/

Retail & eCommerce

About Zappos

Utility

http://www.opencalais.com

e-Commerce