| Item | Obligations |
|---|---|
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $1.7B |
| Engineering Services | $89.9M |
| All Other Professional, Scientific, and Technical Services | $76.4M |
| Other Computer Related Services | $38.6M |
| Guided Missile and Space Vehicle Manufacturing | $7.5M |
| Computer Systems Design Services | $5.8M |
| Research and Development in Biotechnology (except Nanobiotechnology) | $5.6M |
| Other Scientific and Technical Consulting Services | $3.5M |
| Research and Development in the Physical, Engineering, and Life Sciences | $1.6M |
| Research and Development in Nanotechnology | $472K |
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) is Johns Hopkins University Applied Physics Laboratory's largest federal market, with $1.7B in obligations.