These 20 firms are leaders in their fields, and have the bank accounts to prove it. Check out how the companies that make the gadgets we love -- and the chips and equipment that
power them -- fared on this year's Fortune 500.
The Redmond, Wash.-based software company profits were based on reported record revenues of $62.5 billion, driven in large part by its Windows 7 operating system, which has sold
more than 240 million copies.