| Item | Obligations |
|---|---|
| Computer Systems Design Services | $5.9B |
| Engineering Services | $4.5B |
| Automobile Manufacturing | $2.5B |
| Commercial and Institutional Building Construction | $2.1B |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.6B |
| All Other Professional, Scientific, and Technical Services | $1.5B |
| Facilities Support Services | $802M |
| Custom Computer Programming Services | $641M |
| Other Computer Related Services | $584M |
| Other Individual and Family Services | $560M |
Computer Systems Design Services was General Services Administration's largest contract category, with $5.9B obligated (22.0% of contract spending).