| Item | Obligations |
|---|---|
| All Other Professional, Scientific, and Technical Services | $310M |
| Computer Systems Design Services | $4M |
| Security Systems Services (except Locksmiths) | $3.4M |
| Other Computer Related Services | $155K |
| Commercial and Institutional Building Construction | -$5.1K |
All Other Professional, Scientific, and Technical Services is Ptsi Managed Services's largest federal market, with $310M in obligations.