| 2010-05-19 | Department Of Defense | awarded_contract | TIYA SUPPORT SERVICES LLC | $505,777,262 | usaspending |
| 2019-11-15 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $505,655,936 | usaspending |
| 2016-04-01 | Department Of Health And Human Services | awarded_contract | WESTAT, INC. | $505,254,552 | usaspending |
| 2024-02-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $504,916,331 | usaspending |
| 2025-09-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $502,816,554 | usaspending |
| 2021-09-28 | Department Of Veterans Affairs | awarded_contract | ORACLE HEALTH GOVERNMENT SERVICES, INC. | $502,408,525 | usaspending |
| 2020-07-15 | Department Of Defense | awarded_contract | SIERRA NEVADA COMPANY, LLC | $501,124,726 | usaspending |
| 2019-02-26 | Department Of Defense | awarded_contract | MAG DS CORP | $500,586,724 | usaspending |
| 2023-03-21 | Department Of Defense | awarded_contract | CLARK CONSTRUCTION GROUP LLC | $498,862,436 | usaspending |
| 2025-01-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $498,282,437 | usaspending |
| 2023-12-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $498,207,443 | usaspending |
| 2025-05-22 | Department of Homeland Security | awarded_contract | SALUS WORLDWIDE SOLUTIONS CORP. | $497,707,307 | usaspending |
| 2024-05-03 | Department Of Defense | awarded_contract | AMENTUM PARSONS LOGISTICS SERVICES LLC | $496,124,685 | usaspending |
| 2025-10-01 | Department Of Defense | awarded_contract | RTX CORPORATION | $493,891,587 | usaspending |
| 2015-09-04 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $493,667,853 | usaspending |
| 2015-09-28 | Department of Education | awarded_contract | PERATON ENTERPRISE SOLUTIONS LLC | $492,075,571 | usaspending |
| 2019-07-22 | General Services Administration | awarded_contract | BOOZ ALLEN HAMILTON INC | $492,049,724 | usaspending |
| 2008-10-16 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORP | $491,462,649 | usaspending |
| 2023-09-18 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $491,131,370 | usaspending |
| 2025-07-07 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $490,672,763 | usaspending |
| 2024-12-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $490,649,501 | usaspending |
| 2016-05-24 | Department Of Defense | awarded_contract | LOCKHEED MARTIN SIPPICAN, INC. | $489,099,894 | usaspending |
| 2009-09-21 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $487,763,101 | usaspending |
| 2019-02-11 | General Services Administration | awarded_contract | PERATON TECHNOLOGY SERVICES INC. | $486,787,449 | usaspending |
| 2022-05-02 | Department Of Defense | awarded_contract | VERTEX AEROSPACE LLC | $486,633,312 | usaspending |
| 2022-08-03 | Department Of Veterans Affairs | awarded_contract | FOUR POINTS TECHNOLOGY, L.L.C. | $486,505,147 | usaspending |
| 2007-12-13 | National Aeronautics and Space Administration | awarded_contract | LOCKHEED MARTIN CORPORATION | $486,224,471 | usaspending |
| 2007-08-21 | Department Of Defense | awarded_contract | CPI SATCOM & ANTENNA TECHNOLOGIES INC. | $486,176,575 | usaspending |
| 2015-02-27 | Agency For International Development | awarded_contract | REMOTE MEDICINE INC. | $486,003,213 | usaspending |
| 2015-10-01 | Department Of Defense | awarded_contract | GENERAL DYNAMICS MISSION SYSTEMS, INC. | $485,654,906 | usaspending |
| 2015-01-16 | General Services Administration | awarded_contract | SMARTRONIX, LLC | $485,622,789 | usaspending |
| 2015-07-29 | Department Of Defense | awarded_contract | KBR WYLE SERVICES, LLC | $484,856,810 | usaspending |
| 2023-09-29 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $484,098,162 | usaspending |
| 2016-05-27 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $483,202,632 | usaspending |
| 2025-02-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $483,200,660 | usaspending |
| 2022-02-27 | Department of State | awarded_contract | TRIPLE CANOPY INC | $483,060,799 | usaspending |
| 2020-06-12 | General Services Administration | awarded_contract | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $482,888,512 | usaspending |
| 2023-11-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $482,804,199 | usaspending |
| 2010-09-10 | National Aeronautics and Space Administration | awarded_contract | BAE SYSTEMS SPACE & MISSION SYSTEMS INC. | $482,314,982 | usaspending |
| 2010-10-17 | Department Of Defense | awarded_contract | ELECTRIC BOAT CORPORATION | $480,108,884 | usaspending |
| 2024-11-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $479,463,380 | usaspending |
| 2012-10-04 | Department Of Defense | awarded_contract | BELL BOEING JOINT PROJECT OFFICE | $477,698,062 | usaspending |
| 2023-11-01 | Department Of Defense | awarded_contract | DELL MARKETING L.P. | $477,210,522 | usaspending |
| 2018-08-30 | Department Of Defense | awarded_contract | VIASAT, INC. | $476,493,262 | usaspending |
| 2022-01-01 | Department Of Health And Human Services | awarded_contract | NATIONAL GOVERNMENT SERVICES, INC. | $475,306,867 | usaspending |
| 2020-09-18 | General Services Administration | awarded_contract | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $474,151,187 | usaspending |
| 2020-08-01 | Department Of Health And Human Services | awarded_contract | NATIONAL GOVERNMENT SERVICES, INC. | $473,691,959 | usaspending |
| 2024-03-01 | General Services Administration | awarded_contract | CACI, INC. - FEDERAL | $472,660,412 | usaspending |
| 2018-07-15 | Department Of Health And Human Services | awarded_contract | NORIDIAN HEALTHCARE SOLUTIONS, LLC | $471,193,973 | usaspending |
| 2024-09-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $470,975,838 | usaspending |
| 2009-11-01 | Department Of Defense | awarded_contract | TEXTRON SYSTEMS CORPORATION | $470,748,151 | usaspending |
| 2019-05-01 | Agency For International Development | awarded_contract | NTT DATA FEDERAL SERVICES, INC. | $470,511,409 | usaspending |
| 2023-10-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $470,151,080 | usaspending |
| 2011-07-29 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORP | $469,734,324 | usaspending |
| 2022-05-04 | Department Of Defense | awarded_contract | CACI, INC. - FEDERAL | $468,247,874 | usaspending |
| 2019-08-01 | General Services Administration | awarded_contract | BLUESTAQ LLC | $468,094,749 | usaspending |
| 2013-06-01 | Department of State | awarded_contract | PAE GOVERNMENT SERVICES, INC. | $467,670,266 | usaspending |
| 2023-02-20 | General Services Administration | awarded_contract | BOOZ ALLEN HAMILTON INC | $465,970,955 | usaspending |
| 2017-08-01 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $465,724,337 | usaspending |
| 2014-01-10 | Department Of Health And Human Services | awarded_contract | DELOITTE CONSULTING LLP | $465,552,113 | usaspending |
| 2024-07-02 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $465,023,950 | usaspending |
| 2023-08-07 | Department of Justice | awarded_contract | CLARK CONSTRUCTION GROUP LLC | $464,515,605 | usaspending |
| 2022-05-26 | Department Of Defense | awarded_contract | GENERAL DYNAMICS ORDNANCE AND TACTICAL SYSTEMS, INC. | $464,427,555 | usaspending |
| 2019-05-01 | Department of State | awarded_contract | PECKHAM VOCATIONAL INDUSTRIES, INC. | $463,456,929 | usaspending |
| 2011-07-08 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $463,095,561 | usaspending |
| 2017-09-29 | Department Of Defense | awarded_contract | BAE SYSTEMS LAND & ARMAMENTS L.P. | $462,952,866 | usaspending |
| 2013-08-22 | Department Of Defense | awarded_contract | WORLDWIDE LANGUAGE RESOURCES, LLC | $461,722,814 | usaspending |
| 2016-02-01 | Securities and Exchange Commission | awarded_contract | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $461,419,034 | usaspending |
| 2024-09-30 | Department of Commerce | awarded_contract | LOCKHEED MARTIN CORPORATION | $461,039,171 | usaspending |
| 2021-04-29 | Department Of Defense | awarded_contract | UNITED CONCORDIA COMPANIES, INC. | $459,901,295 | usaspending |
| 2017-09-28 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $458,635,009 | usaspending |
| 2026-01-13 | Department of Homeland Security | awarded_contract | FISHER SAND & GRAVEL CO | $458,090,440 | usaspending |
| 2014-02-28 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $457,152,951 | usaspending |
| 2020-09-10 | General Services Administration | awarded_contract | SALIENT CRGT, INC. | $456,369,658 | usaspending |
| 2024-06-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $455,867,116 | usaspending |
| 2024-01-01 | Department Of Defense | awarded_contract | RTX CORPORATION | $454,981,426 | usaspending |
| 2025-09-29 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $454,000,214 | usaspending |
| 2023-10-01 | Department Of Defense | awarded_contract | GENERAL DYNAMICS MISSION SYSTEMS, INC. | $453,698,304 | usaspending |
| 2019-09-23 | Department Of Defense | awarded_contract | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | $453,253,550 | usaspending |
| 2020-01-31 | General Services Administration | awarded_contract | MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. | $452,112,036 | usaspending |
| 2019-07-22 | General Services Administration | awarded_contract | CACI, INC. - FEDERAL | $451,474,522 | usaspending |
| 2017-08-24 | Department Of Defense | awarded_contract | ELECTRIC BOAT CORPORATION | $451,424,161 | usaspending |
| 2007-11-01 | Department Of Defense | awarded_contract | TEXTRON SYSTEMS CORPORATION | $451,206,698 | usaspending |
| 2021-01-25 | Department Of Defense | awarded_contract | M1 SUPPORT SERVICES, L.P. | $449,062,823 | usaspending |
| 2021-06-01 | Department of State | awarded_contract | AAR GOVERNMENT SERVICES, INC. | $449,014,649 | usaspending |
| 2019-09-27 | General Services Administration | awarded_contract | DELOITTE CONSULTING LLP | $448,599,121 | usaspending |
| 2018-10-30 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $448,457,123 | usaspending |
| 2021-09-24 | Department Of Defense | awarded_contract | RTX CORPORATION | $446,801,745 | usaspending |
| 2020-01-17 | General Services Administration | awarded_contract | HII MISSION TECHNOLOGIES CORP | $446,498,112 | usaspending |
| 2018-07-01 | Department of The Interior | awarded_contract | GUIDEHOUSE DIGITAL LLC | $446,333,130 | usaspending |
| 2020-01-30 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $446,270,395 | usaspending |
| 2024-10-08 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $445,093,673 | usaspending |
| 2020-04-01 | National Aeronautics and Space Administration | awarded_contract | SCIENCE SYSTEMS AND APPLICATIONS, INC. | $445,060,550 | usaspending |
| 2004-11-05 | Department Of Defense | awarded_contract | KBR SERVICES, LLC | $444,882,088 | usaspending |
| 2023-09-19 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $444,631,881 | usaspending |
| 2006-06-16 | Department Of Defense | awarded_contract | KBR SERVICES, LLC | $443,756,680 | usaspending |
| 2019-09-25 | Department Of Defense | awarded_contract | VIGOR MARINE LLC | $443,725,249 | usaspending |
| 2021-08-27 | General Services Administration | awarded_contract | SALIENT CRGT, INC. | $443,415,179 | usaspending |
| 2024-01-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $443,011,568 | usaspending |
| 2018-10-31 | Department Of Defense | awarded_contract | SIERRA NEVADA COMPANY, LLC | $442,591,905 | usaspending |