Top Online Companies And Brands, Plus Internet Usage For March ’09
The Nielsen Company released March 2009 U.S. data for the Top Parent Companies/Divisions and Top Web Brands, as well as average Internet usage. Google, Microsoft, and Yahoo! led the way for parent companies online.

The parent level is defined as a consolidation of multiple domains and URLs owned by a single company or division. The brand level is defined as a consolidation of multiple domains and URLs that has a consistent collection of branded content.


https://www.nielsen.com/us/en/insights/article/2009/top-online-companies-and-brands-plus-internet-usage-for-march-09/