Fortune 1000 rank: 49
Best Companies rank: 50
No. of U.S. employees: 44,298
Most common salaried job (Avg. Pay):
Software Developer ($118,500)
What makes it so great? New perks in 2006 included free grocery delivery, dry-cleaning service, and valet parking (it's a big campus!). Annual summer picnic drew 30,000 employees and family members to the Cascade Mountains.