| Item | Obligations |
|---|---|
| HARRIS CORPORATION | $1.2B |
| RAYTHEON COMPANY | $677M |
| ROHDE & SCHWARZ USA, INC. | $651M |
| FREQUENTIS USA, INC | $631M |
| INDRA AIR TRAFFIC, INC. | $393M |
| CROWLEY GOVERNMENT SERVICES, INC. | $378M |
| PTSI MANAGED SERVICES INC | $350M |
| PERATON INC. | $275M |
| TOTE SERVICES, LLC | $270M |
| CDW GOVERNMENT LLC | $236M |
HARRIS CORPORATION led all Transportation contractors with $1.2B, 8.8% of obligations.