| Item | Obligations |
|---|---|
| Automobile Manufacturing | $1.8B |
| Military Armored Vehicle, Tank, and Tank Component Manufacturing | $1.3B |
| Other Engine Equipment Manufacturing | $149M |
| Petroleum Refineries | $143M |
| Other Heavy and Civil Engineering Construction | $105M |
| Security Guards and Patrol Services | $102M |
| Engineering Services | $89.1M |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $87.1M |
| General Automotive Repair | $69.4M |
| Other Scientific and Technical Consulting Services | $68.6M |
Automobile Manufacturing was the largest industry in Michigan, with $1.8B obligated.