| Item | Obligations |
|---|---|
| Department of Health and Human Services | $194M |
| Environmental Protection Agency | $15.7M |
| Department of Labor | $12.9M |
| Agency for International Development | $12.3M |
| Department of Education | $8.4M |
| National Science Foundation | $2.3M |
| Department of Agriculture | $1.8M |
| Department of Commerce | $1M |
| Department of the Interior | $678K |
| Department of Justice | $611K |
Department of Health and Human Services is Research Triangle Institute's largest federal customer, with $194M obligated (77.6% of the company's federal obligations).