| Optum Public Sector Solutions, Inc. | $15,872,524,216 | 15 |
| Lockheed Martin Corporation | $12,501,077,822 | 14 |
| Leidos Biomedical Research Inc | $11,855,978,893 | 17 |
| The Johns Hopkins University Applied Physics Laboratory LLC | $7,803,860,873 | 28 |
| The Johns Hopkins Medical Services Corporation | $7,680,177,996 | 4 |
| BAE Systems Technology Solutions & Services Inc. | $7,432,544,153 | 32 |
| Textron Systems Corporation | $7,240,917,895 | 21 |
| Leidos, Inc. | $6,977,319,290 | 26 |
| Lockheed Martin Services, LLC | $6,710,920,096 | 11 |
| General Dynamics Information Technology, Inc. | $5,703,143,034 | 26 |
| Westat, Inc. | $4,533,882,844 | 23 |
| Association Of Universities For Research In Astronomy, Inc. | $4,342,963,692 | 3 |
| Amentum Services, Inc. | $4,045,576,985 | 14 |
| Northrop Grumman Systems Corporation | $4,013,223,585 | 8 |
| Booz Allen Hamilton Inc | $3,739,712,680 | 24 |
| Leidos, Inc. | $3,676,736,395 | 12 |
| International Business Machines Corporation | $3,604,300,801 | 25 |
| Northrop Grumman Systems Corporation | $3,354,880,098 | 7 |
| Clark Construction Group LLC | $3,201,859,289 | 8 |
| Hensel Phelps Construction Co | $3,125,484,424 | 10 |
| KBR Wyle Services, LLC | $3,002,093,494 | 8 |
| Mantech Advanced Systems International, Inc. | $2,543,292,024 | 9 |
| Emergent Product Development Gaithersburg Inc. | $2,478,915,318 | 4 |
| Northrop Grumman Systems Corporation | $2,280,391,774 | 14 |
| V2X Aerospace LLC | $2,220,944,210 | 2 |
| KBR Wyle Services, LLC | $2,095,313,510 | 7 |
| Science Systems And Applications, Inc. | $1,836,817,353 | 6 |
| Tcom, L.P. | $1,833,720,171 | 5 |
| Peraton Enterprise Solutions LLC | $1,747,042,066 | 10 |
| Raytheon Company | $1,641,578,224 | 6 |
| T-Rex Solutions LLC | $1,480,169,956 | 1 |
| Science Applications International Corporation | $1,427,576,443 | 4 |
| Caci, Inc. - Federal | $1,421,081,387 | 6 |
| Smartronix, LLC | $1,403,896,834 | 6 |
| Maximus Federal Services, Inc. | $1,368,724,676 | 5 |
| Lockheed Martin Corporation | $1,346,380,331 | 6 |
| Trax International Corporation | $1,142,085,486 | 3 |
| Adnet Systems Inc | $1,092,083,568 | 4 |
| CACI Technologies, LLC | $1,057,176,641 | 9 |
| Guidehouse Digital LLC | $1,046,580,618 | 5 |
| Qlarant Integrity Solutions LLC | $1,017,874,016 | 6 |
| Leidos, Inc. | $1,010,679,487 | 6 |
| Bell Boeing Joint Project Office | $994,079,942 | 4 |
| Leidos, Inc. | $955,803,239 | 4 |
| Peraton Inc. | $915,947,159 | 6 |
| American Centrifuge Operating, LLC | $900,000,000 | 1 |
| Orano Federal Services LLC | $900,000,000 | 1 |
| Lockheed Martin Corp | $876,874,552 | 1 |
| Pae Applied Technologies LLC | $868,393,065 | 3 |
| Optumserve Technology Services, Inc. | $866,745,007 | 6 |
| Cgi Federal Inc. | $759,479,871 | 6 |
| KBR Wyle Services, LLC | $757,170,044 | 6 |
| Accenture Federal Services LLC | $747,253,373 | 6 |
| J.F. Taylor, Inc. | $736,716,053 | 6 |
| Whiting-Turner Contracting Company, The | $729,456,248 | 3 |
| Deloitte Consulting LLP | $728,442,716 | 6 |
| Technical Resources International, Inc. | $718,896,413 | 4 |
| Lockheed Martin Corporation | $718,373,783 | 2 |
| Bechtel National, Inc. | $716,445,289 | 2 |
| Smiths Detection Inc. | $714,985,107 | 4 |
| Balfour Beatty Construction, LLC | $702,526,354 | 1 |
| Honeywell International, Inc | $664,517,102 | 2 |
| General Dynamics Information Technology Inc. | $647,083,670 | 4 |
| Companion Data Services LLC | $643,817,370 | 3 |
| Manhattan Torcon A Joint Venture | $638,584,021 | 1 |
| Leidos, Inc. | $636,716,429 | 5 |
| Four LLC | $631,905,439 | 4 |
| Srctec, LLC | $629,522,398 | 3 |
| Tista Science And Technology Corporation | $613,309,738 | 4 |
| Verizon Business Network Services LLC | $599,495,981 | 3 |
| Thales Defense & Security Inc | $591,901,459 | 6 |
| Amentum Technology, Inc. | $580,579,468 | 4 |
| Peraton Technology Services Inc. | $580,220,294 | 2 |
| Asrc Federal System Solutions LLC | $573,034,101 | 4 |
| Indyne, Inc. | $567,668,652 | 2 |
| CDW Government LLC | $561,166,063 | 1 |
| Arinc Incorporated | $559,454,410 | 3 |
| Frequentis Usa, Inc | $554,841,688 | 3 |
| The Mitre Corporation | $547,831,660 | 2 |
| Keenan FT Detrick Energy LLC | $544,324,289 | 2 |
| Abt Global LLC | $536,130,397 | 2 |
| FCN, Inc. | $520,720,525 | 3 |
| Cognosante, LLC | $484,782,282 | 2 |
| Potomac Electric Power Co | $483,709,023 | 4 |
| Rohde & Schwarz Usa, Inc. | $475,800,229 | 2 |
| International Business Machines Corporation | $468,663,721 | 2 |
| Guidehouse Inc. | $449,574,000 | 1 |
| Aerodyne-Sgt Engineering Services, LLC | $423,770,875 | 1 |
| Young & Rubicam LLC | $404,482,411 | 1 |
| Information Systems & Networks Corporation | $392,488,256 | 2 |
| Safeguard Services LLC | $392,091,137 | 2 |
| Govcio, LLC | $389,669,896 | 1 |
| American Electronic Warfare Associates, Incorporated | $385,867,842 | 3 |
| BCG Federal Corp. | $380,036,250 | 2 |
| Columbus Technologies And Services, Inc | $373,935,053 | 2 |
| Janus Research Group, LLC | $373,297,038 | 3 |
| Lockheed Martin Integrated Systems, LLC | $370,226,227 | 1 |
| Inuteq, LLC | $368,892,580 | 1 |
| Reliance Test & Technology, LLC | $365,569,802 | 1 |
| General Dynamics Mission Systems, Inc. | $365,005,999 | 1 |