| Item | Obligations |
|---|---|
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $3.9B |
| Other Computer Related Services | $3.6B |
| Engineering Services | $3.5B |
| Computer Systems Design Services | $3.4B |
| Custom Computer Programming Services | $2B |
| Other Basic Inorganic Chemical Manufacturing | $1.8B |
| Telephone Apparatus Manufacturing | $1.3B |
| Commercial and Institutional Building Construction | $1.3B |
| Administrative Management and General Management Consulting Services | $1.1B |
| Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $1.1B |
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) was the largest industry in Maryland, with $3.9B obligated.