| Item | Obligations |
|---|---|
| LOCKHEED MARTIN CORPORATION | $11.5B |
| ELECTRIC BOAT CORPORATION | $10.8B |
| LOCKHEED MARTIN CORPORATION | $10.6B |
| RAYTHEON COMPANY | $8.2B |
| THE BOEING COMPANY | $5.9B |
| HUMANA GOVERNMENT BUSINESS INC | $5.5B |
| THE BOEING COMPANY | $5.2B |
| AMERISOURCEBERGEN DRUG CORP | $5B |
| TRIWEST HEALTHCARE ALLIANCE CORP | $4.7B |
| RTX CORPORATION | $3.8B |
LOCKHEED MARTIN CORPORATION led all Defense contractors with $11.5B, 3.9% of obligations.