The 25 Biggest Tech Companies On The Fortune 500


1. Apple

Fortune 500 Rank: No. 6

Revenue: $156.5 billion

Top Executive: CEO Tim Cook

It's hard to believe that as recently as the late 1990s many people didn't think Cupertino, Calif.-based Apple would survive. But with ground-breaking products such as the iPod, iPhone and iPad devices, the company has remade the consumer electronics market and brought major change to the business IT arena.

And, this year's Fortune 500 ranking is a significant gain of 11 spots from last year's No. 17. But can Apple maintain its momentum? More than a year-and-a-half since the death of leading light Steve Jobs, observers are questioning whether the company can remain the innovative force it's been for the last decade. Briefly the world's largest company by market capitalization last year, the company's stock has steadily fallen since hitting a high of more $700 a share in September.