| Item | Obligations |
|---|---|
| Department of Health and Human Services | $184M |
| Department of Education | $63.2M |
| Department of Veterans Affairs | $3.4M |
| Department of Transportation | $2.9M |
| Department of Labor | $2.4M |
| National Science Foundation | $2.2M |
| Department of Commerce | $1.3M |
| Department of the Interior | $919K |
| Consumer Product Safety Commission | $356K |
| Department of Agriculture | $272K |
Department of Health and Human Services is Westat's largest federal customer, with $184M obligated (70.5% of the company's federal obligations).