Company Name Quantcast Corporation
Mailing Address 201 Third St. Second Floor San Francisco, CA 94103
Company Description Quantcast is the world’s first open Internet ratings service. The free service provides deep insights on more than 20 million websites and services to help publishers demonstrate the unique value of their audiences and advertisers find and target their most relevant customer segments. Through its Quantified Publisher program, Quantcast works with more than 20,000 web publishers to directly measure millions of distinct web destinations, including sites, widgets and videos.