| Item | Obligations |
|---|---|
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $3.4B |
| Guided Missile and Space Vehicle Manufacturing | $2B |
| Engineering Services | $981M |
| Ship Building and Repairing | $609M |
| Commercial and Institutional Building Construction | $431M |
| Other Support Activities for Air Transportation | $426M |
| Other Aircraft Parts and Auxiliary Equipment Manufacturing | $422M |
| Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) | $404M |
| Custom Computer Programming Services | $320M |
| Software Publishers | $302M |
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) was the largest industry in Alabama, with $3.4B obligated.