http://www.bm.com
2. Fleishman-Hillard
http://www.fleishman.com
3. Hill & Knowlton
http://www.hillandknowlton.com
4. BSMG Worldwide
http://www.bsmg.com
5. Ketchum
http://www.ketchum.com
6. Edelman Public Relations
http://www.edelman.com
7. Miller / Shandwick Technologies
http://www.miller-shandwick.com
8. Peter Novelli
http://www.pninternational.com
9. WeberGroup
http://www.webergroup.com
10. Alexander Ogilvy
http://www.alexanderogilvy.com