1) United States Government.
2) Commonwealth of Pennsylvania.
3) Wal-Mart Associates, Inc.
4) City of Philadelphia.
5) Trustees of the University of Pennsylvania.
6) Giant Food Stores, LLC.
7) Pennsylvania State University.
8) United Parcel Service Inc.
9) School District of Philadelphia.
10) University of Pittsburgh Medical Center: Presbyterian Shadyside.

 

Source: Department of Labor 4th Quarter 2013