| Item | Obligations |
|---|---|
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $4.2B |
| Guided Missile and Space Vehicle Manufacturing | $2.7B |
| Engineering Services | $1.4B |
| Commercial and Institutional Building Construction | $1B |
| Ship Building and Repairing | $644M |
| Other Aircraft Parts and Auxiliary Equipment Manufacturing | $606M |
| Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $556M |
| Software Publishers | $518M |
| Other Support Activities for Air Transportation | $488M |
| Custom Computer Programming Services | $379M |
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) was the largest industry in Alabama, with $4.2B obligated.