Total 174 List of companies are there so far till today which are subsidiaries of Google. Some of them are purchased by Google and rest are via Mergers.
As we all know Google is a computer software and a web search engine company that has been acquiring, on average, more than one company per week since 2010.The table below is an incomplete list of acquisitions, with each acquisition listed being for the respective company in its entirety, unless otherwise specified.
Google has acquired over 170 companies, with its largest acquisition being the purchase of Motorola Mobility, a mobile device manufacturing company, for $12.5 billion.
Read More - [URLnf=http://en.wikipedia.org/wiki/List_of_mergers_and_acquisitions_by_Google]http://en.wikipedia.org/wiki/List_of_mergers_and_acquisitions_by_Google[/URLnf]