| 1 | NATIONAL OPINION RESEARCH CENTER | $192,833,813 | 14 | $13,773,844 | Sep 01, 2026 | Department of Health and … |
| 2 | TELAFORCE LLC | $123,717,979 | 3 | $41,239,326 | Jul 25, 2019 | Department of Labor |
| 3 | RESEARCH TRIANGLE INSTITUTE | $72,994,081 | 11 | $6,635,826 | Aug 27, 2026 | Department of Health and … |
| 4 | WESTAT, INC. | $66,938,213 | 2 | $33,469,107 | Sep 30, 2025 | Department of Health and … |
| 5 | THE DISTRICT COMMUNICATIONS GROUP LLC | $65,456,049 | 23 | $2,845,915 | Sep 30, 2026 | Department of Homeland Se… |
| 6 | IGNITED LLC | $50,471,977 | 10 | $5,047,198 | Sep 29, 2026 | Department of Homeland Se… |
| 7 | L&M POLICY RESEARCH, LLC | $48,221,004 | 11 | $4,383,728 | Sep 26, 2025 | Department of Health and … |
| 8 | GRITTER - FRANCONA, INC | $37,749,678 | 2 | $18,874,839 | Sep 09, 2024 | Department of Veterans Af… |
| 9 | IPSOS PUBLIC AFFAIRS, LLC | $36,232,228 | 6 | $6,038,705 | Mar 21, 2026 | Department of Veterans Af… |
| 10 | DIX-GRA, INC. | $34,463,873 | 4 | $8,615,968 | Aug 14, 2026 | Department of Veterans Af… |
| 11 | FORS MARSH GROUP LLC | $27,368,122 | 14 | $1,954,866 | Sep 14, 2026 | Department of the Treasury |
| 12 | GALLUP, INC. | $24,387,445 | 5 | $4,877,489 | Sep 29, 2026 | Department of Labor |