Earlier this week, we looked at Pew's 2013 state of the city report for Philadelphia and found the city's most diverse neighborhoods. Today, we bring you the city's largest private employers, according to Pew:

1. Trustees of the University of Pennsylvania
2. Children's Hospital of Philadelphia
3. Thomas Jefferson University Hospital
4. Temple University
5. US Airways
6. Albert Einstein Medical Center
7. Temple University Hospital
8. Independence Blue Cross
9. Drexel University
10. Thomas Jefferson University
11. Allied Barton Security Services
12. Comcast Corporation
13. Pennsylvania Hospital
14. Aria Health
15. Hahnemann University Hospital