San Francisco Public Relations Counselors 601 Montgomery St # 780 An independent, full-service PR and social media relations agency in Silicon Valley, San Francisco, and Seattle San Francisco CA Public Relations Counselors Sterling Communications Inc www.sterlingpr.com pr public relations social media social media relations social networking high-tech technology networking wireless SaaS cleantech cloud computing enterprise software hardware media pr public relations social media social media relations social networking high-tech technology networking wireless SaaS cleantech cloud computing enterprise software hardware media Business Reviews Sterling Communications Inc Testimonials