| 2012-11-27 | Department Of Defense | awarded_contract | ROCKWELL COLLINS, INC. | $404,963,641 | usaspending |
| 2025-04-08 | Department Of Defense | awarded_contract | KIEWIT US CONTRACTORS CO | $404,212,213 | usaspending |
| 2009-12-18 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $403,959,461 | usaspending |
| 2023-10-03 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $403,494,521 | usaspending |
| 2024-09-05 | Department Of Defense | awarded_contract | GENERAL DYNAMICS ORDNANCE AND TACTICAL SYSTEMS, INC. | $403,323,854 | usaspending |
| 2023-09-17 | Department of The Interior | awarded_contract | GUIDEHOUSE INC. | $402,840,394 | usaspending |
| 2017-11-27 | Department of State | awarded_contract | CGI FEDERAL INC. | $401,923,760 | usaspending |
| 2025-05-09 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $401,524,208 | usaspending |
| 2021-03-31 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $401,385,550 | usaspending |
| 2022-12-16 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $401,299,033 | usaspending |
| 2017-03-28 | Department Of Defense | awarded_contract | ROCKWELL COLLINS, INC. | $401,212,315 | usaspending |
| 2021-06-23 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $400,272,174 | usaspending |
| 2026-04-29 | Department of Homeland Security | awarded_contract | WHITING-TURNER CONTRACTING COMPANY, THE | $400,000,000 | usaspending |
| 2021-06-30 | General Services Administration | awarded_contract | CACI NSS, LLC | $399,565,757 | usaspending |
| 2020-09-25 | General Services Administration | awarded_contract | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $399,468,545 | usaspending |
| 2023-05-08 | Department Of Defense | awarded_contract | AICI-ARCHIRODON JV LLC | $399,425,236 | usaspending |
| 2012-01-23 | Department Of Defense | awarded_contract | BAE SYSTEMS ORDNANCE SYSTEMS INC | $399,397,580 | usaspending |
| 2024-12-12 | Department Of Defense | awarded_contract | GENERAL ELECTRIC COMPANY | $399,220,796 | usaspending |
| 2024-09-28 | Department Of Health And Human Services | awarded_contract | LEIDOS BIOMEDICAL RESEARCH INC | $398,925,093 | usaspending |
| 2021-09-28 | Agency For International Development | awarded_contract | CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY | $398,914,055 | usaspending |
| 2024-03-22 | Department Of Defense | awarded_contract | METRO MACHINE CORP. | $398,802,154 | usaspending |
| 2016-06-13 | Department Of Defense | awarded_contract | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $398,663,532 | usaspending |
| 2019-06-03 | Department Of Defense | awarded_contract | THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | $398,377,467 | usaspending |
| 2020-01-31 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $397,990,664 | usaspending |
| 2016-05-11 | Department Of Defense | awarded_contract | DRS SUSTAINMENT SYSTEMS, INC | $397,717,809 | usaspending |
| 2022-09-14 | National Aeronautics and Space Administration | awarded_contract | AERODYNE-SGT ENGINEERING SERVICES, LLC | $397,270,487 | usaspending |
| 2023-06-30 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $396,755,001 | usaspending |
| 2017-08-21 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $396,497,422 | usaspending |
| 2018-12-19 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $396,391,673 | usaspending |
| 2020-01-16 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $395,493,335 | usaspending |
| 2024-04-01 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $393,748,003 | usaspending |
| 2007-08-01 | National Aeronautics and Space Administration | awarded_contract | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | $393,219,198 | usaspending |
| 2015-09-30 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $392,867,476 | usaspending |
| 2026-01-01 | Department Of Veterans Affairs | awarded_contract | LOYAL SOURCE GOVERNMENT SERVICES LLC | $392,676,748 | usaspending |
| 2026-01-01 | Department Of Veterans Affairs | awarded_contract | QTC MEDICAL SERVICES INC | $392,676,748 | usaspending |
| 2023-06-27 | Department Of Defense | awarded_contract | TURNER CONSTRUCTION COMPANY | $392,290,153 | usaspending |
| 2016-02-01 | National Aeronautics and Space Administration | awarded_contract | SYNCOM SPACE SERVICES LLC | $391,758,132 | usaspending |
| 2016-07-14 | Department Of Defense | awarded_contract | Massachusetts Institute of Technology | $391,447,966 | usaspending |
| 2016-08-04 | Department Of Defense | awarded_contract | AC FIRST, LLC | $391,326,654 | usaspending |
| 1999-10-01 | Department Of Defense | awarded_contract | HUNTINGTON INGALLS INC | $390,708,621 | usaspending |
| 2018-06-01 | Department Of Defense | awarded_contract | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $390,589,411 | usaspending |
| 2025-02-01 | Department Of Defense | awarded_contract | APPLIED RESEARCH SOLUTIONS, INC. | $390,098,975 | usaspending |
| 2017-12-15 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $390,089,306 | usaspending |
| 2017-10-06 | General Services Administration | awarded_contract | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $389,951,492 | usaspending |
| 2020-04-28 | Department Of Defense | awarded_contract | GENERAL ELECTRIC COMPANY | $389,318,896 | usaspending |
| 2018-10-06 | General Services Administration | awarded_contract | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $389,221,323 | usaspending |
| 2023-03-02 | General Services Administration | awarded_contract | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $388,673,246 | usaspending |
| 2023-09-28 | Department of Homeland Security | awarded_contract | SLSCO, LTD. | $388,668,847 | usaspending |
| 2016-04-01 | National Aeronautics and Space Administration | awarded_contract | ARCTIC SLOPE TECHNICAL SERVICES, INC. | $388,544,135 | usaspending |
| 2026-01-01 | Department Of Veterans Affairs | awarded_contract | VETERANS EVALUATION SERVICES, INC | $388,506,331 | usaspending |
| 2022-04-26 | General Services Administration | awarded_contract | PERATON ENTERPRISE SOLUTIONS LLC | $388,287,706 | usaspending |
| 2020-07-23 | Department Of Health And Human Services | awarded_contract | BOOZ ALLEN HAMILTON INC | $388,263,834 | usaspending |
| 2012-10-01 | National Aeronautics and Space Administration | awarded_contract | California Institute of Technology | $388,250,082 | usaspending |
| 2023-05-15 | Department Of Defense | awarded_contract | VECTRUS SYSTEMS LLC | $387,647,835 | usaspending |
| 2016-04-01 | Department Of Defense | awarded_contract | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | $387,403,844 | usaspending |
| 2022-10-17 | Department of State | awarded_contract | GARDAWORLD FEDERAL SERVICES LLC | $387,307,851 | usaspending |
| 2018-06-29 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $387,180,117 | usaspending |
| 2020-09-25 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $386,556,612 | usaspending |
| 2019-02-25 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $386,347,169 | usaspending |
| 2019-09-18 | General Services Administration | awarded_contract | MODERN TECHNOLOGY SOLUTIONS, INC. | $386,142,023 | usaspending |
| 2020-01-23 | Department Of Defense | awarded_contract | BRAYMAN CONSTRUCTION CORP | $385,970,960 | usaspending |
| 2025-12-01 | Department Of Defense | awarded_contract | RTX CORPORATION | $385,683,785 | usaspending |
| 2024-02-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $385,628,152 | usaspending |
| 2018-08-31 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $385,330,878 | usaspending |
| 2020-02-10 | Department Of Defense | awarded_contract | CARNEGIE MELLON UNIVERSITY | $385,019,978 | usaspending |
| 2004-04-21 | National Aeronautics and Space Administration | awarded_contract | SOUTHWEST RESEARCH INSTITUTE | $384,632,648 | usaspending |
| 2023-10-01 | Department Of Defense | awarded_contract | CHRISTUS HEALTH | $384,449,346 | usaspending |
| 2020-12-01 | Department of The Treasury | awarded_contract | DELOITTE CONSULTING LLP | $383,773,457 | usaspending |
| 2012-05-02 | Department of Transportation | awarded_contract | GENERAL DYNAMICS MISSION SYSTEMS, INC. | $383,457,372 | usaspending |
| 2025-11-21 | Department of Homeland Security | awarded_contract | SLS FEDERAL SERVICES LLC | $382,324,930 | usaspending |
| 2025-08-07 | Department Of Veterans Affairs | awarded_contract | QTC MEDICAL SERVICES INC | $382,099,484 | usaspending |
| 2023-12-30 | Department Of Veterans Affairs | awarded_contract | ACCENTURE FEDERAL SERVICES LLC | $381,198,500 | usaspending |
| 2023-10-01 | Department Of Veterans Affairs | awarded_contract | VETERANS EVALUATION SERVICES, INC | $381,143,279 | usaspending |
| 2004-09-24 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $380,683,698 | usaspending |
| 2023-06-30 | Department Of Defense | awarded_contract | ARCHER WESTERN FEDERAL JV | $380,351,141 | usaspending |
| 2016-08-25 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $380,128,003 | usaspending |
| 2015-10-01 | Department Of Defense | awarded_contract | THE CHARLES STARK DRAPER LABORATORY, INC. | $379,885,994 | usaspending |
| 2019-08-20 | Department Of Defense | awarded_contract | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | $379,643,051 | usaspending |
| 2015-10-01 | Department Of Defense | awarded_contract | OSHKOSH DEFENSE LLC | $378,881,306 | usaspending |
| 2015-04-21 | Department Of Defense | awarded_contract | AMENTUM SERVICES, INC. | $378,821,705 | usaspending |
| 2015-04-07 | Department of Transportation | awarded_contract | SERCO INC | $378,800,239 | usaspending |
| 2021-03-04 | Department Of Defense | awarded_contract | HENSEL PHELPS CONSTRUCTION CO | $378,779,367 | usaspending |
| 2007-04-13 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $378,632,820 | usaspending |
| 2019-10-01 | Department Of Veterans Affairs | awarded_contract | RED RIVER TECHNOLOGY LLC | $378,443,043 | usaspending |
| 2025-06-05 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $378,077,564 | usaspending |
| 2022-05-26 | Department Of Defense | awarded_contract | NORTHROP GRUMMAN SYSTEMS CORPORATION | $377,728,772 | usaspending |
| 2021-01-20 | Department Of Defense | awarded_contract | TORCH TECHNOLOGIES INC | $377,684,283 | usaspending |
| 2022-10-07 | Department Of Defense | awarded_contract | THE BOEING COMPANY | $377,206,794 | usaspending |
| 2024-07-31 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $377,093,912 | usaspending |
| 2016-10-31 | Department Of Defense | awarded_contract | RAYTHEON COMPANY | $376,929,484 | usaspending |
| 2022-10-01 | Department Of Defense | awarded_contract | CROWLEY GOVERNMENT SERVICES, INC. | $376,751,056 | usaspending |
| 2022-06-10 | Department of State | awarded_contract | CADDELL CONSTRUCTION CO. (DE), LLC | $376,452,421 | usaspending |
| 2022-08-02 | Department Of Health And Human Services | awarded_contract | MCKESSON SPECIALTY DISTRIBUTION LLC | $375,268,719 | usaspending |
| 2018-12-18 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $374,315,109 | usaspending |
| 2020-09-30 | Department Of Health And Human Services | awarded_contract | PLOWSHARE GROUP, INC | $373,880,938 | usaspending |
| 2024-02-01 | Department Of Veterans Affairs | awarded_contract | OPTUM PUBLIC SECTOR SOLUTIONS, INC. | $373,471,962 | usaspending |
| 2024-01-05 | Department Of Defense | awarded_contract | ECC CONSTRUCTORS LLC | $373,314,199 | usaspending |
| 2019-09-30 | Department Of Health And Human Services | awarded_contract | WISCONSIN PHYSICIANS SERVICE INSURANCE CORP. | $372,742,034 | usaspending |
| 2018-11-30 | National Aeronautics and Space Administration | awarded_contract | L3HARRIS TECHNOLOGIES, INC. | $372,589,497 | usaspending |
| 2023-10-01 | Department Of Defense | awarded_contract | LOCKHEED MARTIN CORPORATION | $372,144,229 | usaspending |