Headquarters: Cambridge, Massachusetts

Experienced median pay: $93,400

High job satisfaction: 70% of employees

At Biogen, employees feel like they're making a difference, with 91% reporting high job meaning, according to PayScale. The biotechnology company, which develops therapies for neurological and autoimmune diseases, emphasizes giving back to its communities, and every year the company dedicates a "Care Deeply Volunteer Day," where thousands of employees participate in local community-service projects.