Boston Consulting Group

US employees: 1,543
Last year's worldwide job growth: 8 percent
Most common job/Avg. salary for job: Consultant/$136,706

Boston Consulting Group, ranked 11th, offers employees benefits such as free health insurance, three months' paid maternity leave, and a bonus equal to 15 percent of employee pay that's deposited directly into retirement plans, according to Fortune. Former governor and Republican presidential candidate Mitt Romney worked for the consulting group after graduating from Harvard Law School in the early 1970s.