Companies that use Wiki

20% of companies use wikis

This article talks about how companies use wiki's and they show percentages of who uses Web 2.0 or who uses social networking, blogs etc..

 •Wikis (20%)                    
 •Blogs (18%)
 •Social Networking (15%)
http://www.zdnet.com/blog/itfacts/20-of-companies-use-wikis/13597

Blogging Wiki

This article talks about how many companies are using blog.

https://www.socialtext.net/bizblogs/