| Item | Obligations |
|---|---|
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $2.9B |
| Engineering Services | $2.7B |
| Computer Systems Design Services | $2.7B |
| Other Computer Related Services | $2.7B |
| Other Basic Inorganic Chemical Manufacturing | $1.8B |
| Custom Computer Programming Services | $1.4B |
| Administrative Management and General Management Consulting Services | $757M |
| Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $733M |
| Commercial and Institutional Building Construction | $632M |
| Telephone Apparatus Manufacturing | $573M |
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) was the largest industry in Maryland, with $2.9B obligated.