| Item | Obligations |
|---|---|
| Telephone Apparatus Manufacturing | $403M |
| Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | $8.8M |
| Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing | $8.4M |
| Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | $1.1M |
| Totalizing Fluid Meter and Counting Device Manufacturing | $964K |
| Electronic and Precision Equipment Repair and Maintenance | $656K |
| Bare Printed Circuit Board Manufacturing | $294K |
| Analytical Laboratory Instrument Manufacturing | $239K |
| Engineering Services | $190K |
| Satellite Telecommunications | $172K |
Telephone Apparatus Manufacturing is Rohde and Schwarz Usa's largest federal market, with $403M in obligations.