| Item | Obligations |
|---|---|
| OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $19.9B |
| MCKESSON CORPORATION | $10.8B |
| TRIWEST HEALTHCARE ALLIANCE CORP | $9.8B |
| QTC MEDICAL SERVICES INC | $2.2B |
| OPTUMSERVE HEALTH SERVICES, INC. | $1.8B |
| LOYAL SOURCE GOVERNMENT SERVICES LLC | $1.8B |
| VETERANS EVALUATION SERVICES, INC | $1.7B |
| ORACLE HEALTH GOVERNMENT SERVICES, INC. | $1.3B |
| MEDLINE INDUSTRIES, LP | $763M |
| DELL FEDERAL SYSTEMS L.P | $548M |
OPTUM PUBLIC SECTOR SOLUTIONS, INC. led all Veterans Affairs contractors with $19.9B, 28.4% of obligations.