| Item | Obligations |
|---|---|
| Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | $119M |
| Engineering Services | $89.9M |
| Other Communications Equipment Manufacturing | $85.5M |
| Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $64.7M |
| Other Aircraft Parts and Auxiliary Equipment Manufacturing | $41.3M |
| Explosives Manufacturing | $16.3M |
| 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 $119M in obligations.