Fortune released the Fortune 500 list for 2012, and Apple is now in the top 20 of the list of the largest U.S. corporations in the #17 spot. That's a vast improvement from last year's ranking at 35.
Apple has a way to go to get into the top five, which is populated by such famous names as Exxon Mobil, Wal-mart Stores, Chevron, ConocoPhillips, and General Motors. HP was the top tech business in the list at #10, while perennial Fortune 500 place sitter IBM
