| Item | Obligations |
|---|---|
| Computer Systems Design Services | $4.4B |
| Engineering Services | $3.6B |
| Automobile Manufacturing | $2.4B |
| Commercial and Institutional Building Construction | $1.3B |
| All Other Professional, Scientific, and Technical Services | $1.2B |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.1B |
| Facilities Support Services | $619M |
| Other Individual and Family Services | $556M |
| Custom Computer Programming Services | $492M |
| Other Computer Related Services | $451M |
Computer Systems Design Services was General Services Administration's largest contract category, with $4.4B obligated (20.8% of contract spending).