Department of the Interior
DOIFederal Agency
Total Obligations
$12.1B
$12,110,935,248
Total Obligations
10
Top Contractors
0
Spending Categories
Top Contractors
| Rank | Contractor | Amount |
|---|---|---|
| #1 | Optum Public Sector Solutions, Inc. | $20.1B |
| #2 | Lockheed Martin Corporation | $14.4B |
| #3 | Mckesson Corporation | $9.0B |
| #4 | The Boeing Company | $8.6B |
| #5 | Electric Boat Corporation | $8.6B |
| #6 | Triwest Healthcare Alliance Corp. | $8.4B |
| #7 | Humana Government Business Inc. | $8.0B |
| #8 | Raytheon Company | $7.8B |
| #9 | Booz Allen Hamilton Inc. | $6.9B |
| #10 | Amerisourcebergen Drug Corp. | $6.1B |