| Optum Public Sector Solutions, Inc. | $85,757,696,515 | 106 |
| Huntington Ingalls Inc | $66,760,472,366 | 40 |
| Triwest Healthcare Alliance Corp | $45,228,971,628 | 43 |
| General Dynamics Information Technology, Inc. | $17,123,298,898 | 72 |
| Booz Allen Hamilton Inc | $16,813,172,866 | 92 |
| The Mitre Corporation | $14,374,731,640 | 27 |
| Science Applications International Corporation | $11,769,077,464 | 41 |
| Maximus Federal Services, Inc. | $11,126,750,618 | 13 |
| Peraton Enterprise Solutions LLC | $10,698,794,758 | 52 |
| Accenture Federal Services LLC | $9,961,177,574 | 44 |
| Caci, Inc. - Federal | $9,478,036,752 | 28 |
| Lockheed Martin Corporation | $8,964,062,309 | 5 |
| Mantech Advanced Systems International, Inc. | $8,597,843,147 | 30 |
| Lockheed Martin Corporation | $7,964,753,455 | 19 |
| Leidos, Inc. | $7,181,180,905 | 30 |
| BAE Systems Maritime Solutions Norfolk Inc. | $7,039,778,368 | 27 |
| Amentum Services, Inc. | $6,259,393,043 | 20 |
| BWXT Nuclear Operations Group, Inc. | $6,060,230,413 | 16 |
| General Dynamics Information Technology Inc. | $5,907,762,149 | 26 |
| Peraton Inc. | $5,420,538,418 | 17 |
| Airbus US Space & Defense Inc | $4,955,422,861 | 3 |
| Metro Machine Corp. | $4,601,574,669 | 20 |
| Cgi Federal Inc. | $4,571,216,272 | 23 |
| Deloitte Consulting LLP | $3,998,648,087 | 27 |
| Leidos, Inc. | $3,973,799,644 | 17 |
| Northrop Grumman Systems Corporation | $3,657,483,218 | 16 |
| Maersk Line, Limited | $3,494,644,802 | 13 |
| Raytheon Company | $3,443,908,377 | 14 |
| HII Mission Technologies Corp | $3,429,677,634 | 5 |
| Institute For Defense Analyses | $3,326,615,969 | 14 |
| Carahsoft Technology Corp | $2,601,597,842 | 16 |
| CACI Technologies, LLC | $2,526,869,517 | 17 |
| Leidos, Inc. | $2,503,839,215 | 10 |
| Minburn Technology Group, LLC | $2,430,760,007 | 16 |
| CACI NSS, LLC | $2,263,487,267 | 8 |
| Hensel Phelps Construction Co | $2,222,678,388 | 4 |
| Salient CRGT, Inc. | $2,206,422,941 | 7 |
| Booz Allen Hamilton Inc | $2,173,206,808 | 3 |
| Parsons Government Services Inc. | $2,141,076,582 | 10 |
| Leidos, Inc. | $2,107,345,943 | 13 |
| The Mission Essential Group, LLC | $2,103,873,488 | 5 |
| Range Generation Next LLC | $1,972,212,696 | 1 |
| Serco Inc | $1,948,095,579 | 8 |
| Northrop Grumman Systems Corporation | $1,861,030,845 | 3 |
| Lockheed Martin Corporation | $1,785,589,574 | 3 |
| Vse Corporation | $1,741,101,833 | 8 |
| Magellan Federal, Inc. | $1,687,355,883 | 4 |
| BAE Systems Ordnance Systems Inc | $1,641,589,986 | 5 |
| Four Points Technology, L.L.C. | $1,631,672,199 | 8 |
| Mantech TSG-2 Joint Venture | $1,624,441,179 | 9 |
| DCS Corporation | $1,614,572,631 | 9 |
| Amentum Technology, Inc. | $1,566,123,349 | 9 |
| Bechtel National, Inc. | $1,540,889,354 | 1 |
| U.S. Marine Management, LLC | $1,495,527,566 | 4 |
| General Dynamics One Source LLC | $1,413,388,449 | 9 |
| Northrop Grumman Systems Corporation | $1,400,358,104 | 2 |
| Science Applications International Corporation | $1,305,775,884 | 6 |
| L3Harris Technologies, Inc. | $1,294,123,164 | 1 |
| Leidos, Inc. | $1,217,442,467 | 8 |
| Cognosante MVH LLC | $1,158,166,171 | 7 |
| DLT Solutions, LLC | $1,156,867,496 | 6 |
| Ecs Federal, LLC | $1,138,093,744 | 8 |
| Empower Ai, Inc. | $1,126,963,246 | 8 |
| Verizon Business Network Services LLC | $1,112,037,523 | 5 |
| General Dynamics Mission Systems, Inc. | $1,090,616,160 | 7 |
| Atlantic Diving Supply, Inc. | $1,034,097,845 | 9 |
| Marine Hydraulics International, LLC | $1,017,045,053 | 7 |
| Iron Bow Technologies, LLC | $1,016,473,436 | 5 |
| Linquest Corporation | $1,006,152,876 | 4 |
| Caci-Iss, LLC | $971,562,259 | 3 |
| Xator LLC | $970,276,224 | 2 |
| HII Mission Technologies Corp | $953,200,508 | 6 |
| Maximus Education LLC | $886,602,258 | 2 |
| Oasis Systems, LLC | $865,688,778 | 4 |
| Northrop Grumman Systems Corporation | $860,547,653 | 5 |
| General Dynamics Global Force, LLC | $856,270,921 | 4 |
| AT&T Enterprises, LLC | $852,692,831 | 3 |
| International Business Machines Corporation | $833,844,797 | 3 |
| CACI NSS, LLC | $828,021,061 | 5 |
| Peraton Risk Decision Inc. | $783,025,728 | 1 |
| Microtechnologies LLC | $778,100,802 | 2 |
| Fors Marsh Group LLC | $754,922,758 | 3 |
| Ca, Inc. | $753,536,661 | 3 |
| Salus Worldwide Solutions Corp. | $748,131,719 | 1 |
| Intrepid LLC | $748,030,467 | 2 |
| Miracle Systems LLC | $736,691,427 | 4 |
| Inter-Con Security Systems, Inc. | $733,677,044 | 3 |
| STG International, Inc. | $731,689,264 | 2 |
| P E Systems, Inc. | $717,162,709 | 4 |
| KPMG LLP | $707,261,457 | 5 |
| Phlow Corp. | $696,665,954 | 1 |
| American Type Culture Collection | $695,774,774 | 5 |
| Credence Management Solutions Limited Liability Company | $689,307,685 | 3 |
| Elbit Systems Of America - Night Vision LLC | $683,858,910 | 5 |
| Dyncorp International LLC | $667,743,417 | 2 |
| Securigence LLC | $664,457,198 | 1 |
| Reed Technology And Information Services LLC | $654,699,404 | 4 |
| BAE Systems Technology Solutions & Services Inc. | $637,368,584 | 5 |
| General Dynamics Mission Systems, Inc. | $630,316,420 | 6 |
| Balfour Beatty Construction, LLC | $622,818,845 | 5 |