| 2026-03-24 | Department of Health and Human Services | | $505.3M | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY) |
| 2020-03-31 | Department of Education | | $344.4M | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES |
| 2024-08-28 | Department of Health and Human Services | | $279.2M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2025-02-06 | Department of Education | | $250.0M | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES |
| 2022-08-12 | Department of Health and Human Services | | $243.3M | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY) |
| 2022-02-24 | Department of Education | | $242.5M | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES |
| 2026-05-07 | Department of Health and Human Services | | $181.8M | COMPUTING INFRASTRUCTURE PROVIDERS, DATA PROCESSING, WEB HOSTING, AND RELATED SERVICES |
| 2025-01-13 | Department of Health and Human Services | | $179.5M | COMPUTING INFRASTRUCTURE PROVIDERS, DATA PROCESSING, WEB HOSTING, AND RELATED SERVICES |
| 2020-09-23 | Department of Health and Human Services | | $167.3M | DATA PROCESSING, HOSTING, AND RELATED SERVICES |
| 2023-08-30 | Department of Health and Human Services | | $153.0M | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY) |
| 2021-09-16 | Department of Health and Human Services | | $151.6M | OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES |
| 2022-12-05 | Department of Health and Human Services | | $91.0M | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES |
| 2025-11-29 | Department of Health and Human Services | | $85.5M | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) |
| 2026-06-03 | Department of Education | | $82.8M | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES |
| 2025-06-06 | Department of Health and Human Services | | $76.6M | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) |
| 2022-12-20 | Social Security Administration | | $76.4M | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES |
| 2022-12-07 | Department of Health and Human Services | | $62.2M | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES |
| 2022-09-26 | Department of Health and Human Services | | $57.7M | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY) |
| 2026-05-28 | Department of Health and Human Services | | $54.1M | MARKETING RESEARCH AND PUBLIC OPINION POLLING |
| 2025-09-02 | Department of Education | | $46.7M | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES |
| 2008-02-12 | Department of Health and Human Services | | $44.0M | — |
| 2021-09-30 | Department of Health and Human Services | | $43.3M | OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES |
| 2026-05-05 | Department of Education | | $42.0M | OTHER ACCOUNTING SERVICES |
| 2021-09-23 | Department of Education | | $32.2M | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES |
| 2020-09-01 | Department of Education | | $31.1M | RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES |