US employees: 5,153
Last year's worldwide job growth: -1 percent
Most common job/Avg. salary for job: Software developer/$104,566
SAS Institute is a major software producer based in Cary, N.C. It ranks 29th on Fortune's list, in part because of a commitment to employee benefits, like onsite childcare, that is led by CEO Jim Goodnight, pictured. SAS employs 124 people at its Middleton office.