Headquarters: Foster City, California

Experienced median pay: $116,000

High job satisfaction: 85% of employees

At Gilead Sciences, employees work to create new medicines that transform the lives of people with life-threatening illnesses, such as HIV/AIDS, cancer, and hepatitis C. This focus on changing lives contributes to Gilead employees finding purpose in their work, as 91% of them report having high job meaning, according to PayScale. In the US, employees also enjoy benefits such as tuition reimbursement, backup childcare options, and the ability to buy company stock.