| 1 | NATIONAL OPINION RESEARCH CENTER | $243,077,529 | 18 | $13,504,307 | 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. | $69,620,576 | 3 | $23,206,859 | Sep 30, 2025 | Department of Health and … |
| 5 | THE DISTRICT COMMUNICATIONS GROUP LLC | $66,771,532 | 25 | $2,670,861 | Sep 30, 2026 | Department of Homeland Se… |
| 6 | IGNITED LLC | $54,982,109 | 11 | $4,998,374 | Sep 29, 2026 | Department of Homeland Se… |
| 7 | L&M POLICY RESEARCH, LLC | $45,339,657 | 11 | $4,121,787 | 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 | PORTER NOVELLI PUBLIC SERVICES INC. | $31,722,096 | 6 | $5,287,016 | May 06, 2023 | Department of Agriculture |
| 12 | FORS MARSH GROUP LLC | $28,398,922 | 15 | $1,893,261 | Sep 14, 2026 | Department of Health and … |
