Foggy Bottom; 72,607 employees
In addition to the lure of international travel and maybe a dash of intrigue, globetrotting State employees are also enticed by more down-to-earth benefits, including a subsidy for commuting by mass transportation or vanpool, a student-loan repayment program, and a robust mentoring system.
Perk: Access to the National Foreign Affairs Training Center, a facility with more than 800 classes ranging from foreign languages to cybersecurity.