The Text It Produces/Owns..

It's a long list shortened with the key ones..

Books
HarperCollins Book Publishing Company

Newspapers
Australia
Herald Sun
The Australian
UK
News Group Newspapers ltd. (The Sun & News Of The World)
Times Newspapers ltd. (The Times & The Sunday Times)
USA
Wall Street Journal
New York Times

Magazines
Many in Australia
Love It! (UK)

Music/Radio
MySpace Records
Radio City (India)

Studios
20th Century Fox Entertainment
Blue Sky Studios (Producers of CGI Films such as Ice Age)



TV
Broadcast
Fox Broadcasting Company (USA)
ITV plc
My Network TV (USA)
Satellite Television
BSkyB
Star TV

Internet
MySpace
Photobucket
IGN Entertainment (Rotten Tomatoes, Gamespy, Askmen.com etc.)

Sources:
http://en.wikipedia.org/wiki/News_corp
http://www.newscorp.com/operations/index.html