| Item | Obligations |
|---|---|
| Aircraft Manufacturing | $2.5B |
| Other Aircraft Parts and Auxiliary Equipment Manufacturing | $331M |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $25.8M |
| Aircraft Engine and Engine Parts Manufacturing | $21.8M |
| Other Support Activities for Air Transportation | $20.8M |
| Ball and Roller Bearing Manufacturing | $16.8M |
| Engineering Services | $12.7M |
| Books Printing | $6.2M |
| Industrial Valve Manufacturing | $2.6M |
| Other Electronic and Precision Equipment Repair and Maintenance | $167K |
Aircraft Manufacturing is Sikorsky Aircraft's largest federal market, with $2.5B in obligations.