| Item | Obligations |
|---|---|
| LOCKHEED MARTIN CORPORATION | $14.1B |
| LOCKHEED MARTIN CORPORATION | $13.1B |
| ELECTRIC BOAT CORPORATION | $11.6B |
| RAYTHEON COMPANY | $9.9B |
| THE BOEING COMPANY | $9.1B |
| THE BOEING COMPANY | $6.3B |
| AMERISOURCEBERGEN DRUG CORP | $6B |
| HUMANA GOVERNMENT BUSINESS INC | $5.6B |
| TRIWEST HEALTHCARE ALLIANCE CORP | $5.6B |
| ATLANTIC DIVING SUPPLY, INC. | $4.3B |
LOCKHEED MARTIN CORPORATION led all Defense contractors with $14.1B, 3.9% of obligations.