| Item | Obligations |
|---|---|
| Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | $98.5M |
| Engineering Services | $88.1M |
| Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $62.2M |
| Other Aircraft Parts and Auxiliary Equipment Manufacturing | $41.2M |
| Other Communications Equipment Manufacturing | $33.3M |
| Explosives Manufacturing | $11.5M |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $3M |
| Aircraft Manufacturing | $594K |
| Other Commercial and Service Industry Machinery Manufacturing | $590K |
| Research and Development in Biotechnology (except Nanobiotechnology) | $495K |
Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing is Rockwell Collins's largest federal market, with $98.5M in obligations.