The 25 Biggest IT Companies On The 2014 Fortune 500


Western Digital Corp.

CEO: Stephen Milligan

2014 Fortune 500 Rank: 187

2013 Fortune 500 Rank: 222

Storage device manufacturer Western Digital surged up 35 spots this year's Fortune 500 ranking, the biggest gainer among the top 25 IT companies on the list. For fiscal 2013 the company reported 23 percent revenue growth to $15.4 billion.