The 25 Biggest Tech Companies On The Fortune 500


19. EMC

Fortune 500 Rank: No. 133

Revenue: $21.7 billion

Top Executive: CEO Joseph Tucci

Hopkinton, Mass.-based EMC moved up in the rankings from No. 139 last year. The data storage equipment maker recently wrapped up its EMC World conference and related partner conference summit where it unveiled plans to overhaul its partner program to make it simpler and more profitable for partners.