| Item | Obligations |
|---|---|
| HARRIS CORPORATION | $938M |
| RAYTHEON COMPANY | $650M |
| ROHDE & SCHWARZ USA, INC. | $403M |
| INDRA AIR TRAFFIC, INC. | $383M |
| PTSI MANAGED SERVICES INC | $308M |
| TOTE SERVICES, LLC | $217M |
| PERATON INC. | $212M |
| FREQUENTIS USA, INC | $173M |
| CDW GOVERNMENT LLC | $155M |
| THE MITRE CORPORATION | $135M |
HARRIS CORPORATION led all Transportation contractors with $938M, 9.5% of obligations.