| Chemonics International, Inc. | $11,164,523,063 | 7 |
| Science Applications International Corporation | $5,327,768,718 | 14 |
| Booz Allen Hamilton Inc | $4,878,981,334 | 21 |
| Accenture Federal Services LLC | $4,501,323,242 | 17 |
| Deloitte Consulting LLP | $3,415,758,706 | 16 |
| International Business Machines Corporation | $2,793,401,001 | 9 |
| Parsons Government Services Inc. | $2,319,150,385 | 4 |
| Harris Corporation | $2,310,023,723 | 1 |
| Leidos, Inc. | $2,082,721,879 | 5 |
| General Dynamics Information Technology, Inc. | $1,959,323,308 | 12 |
| Peraton Enterprise Solutions LLC | $1,896,853,604 | 7 |
| Dell Marketing L.P. | $1,825,209,202 | 6 |
| Grunley Construction Co., Inc. | $1,821,226,206 | 13 |
| HII Mission Technologies Corp | $1,555,704,374 | 2 |
| Nelnet Servicing LLC | $1,469,743,160 | 3 |
| Institute For Defense Analyses | $1,447,425,527 | 6 |
| Cgi Federal Inc. | $1,413,576,855 | 8 |
| Ernst & Young LLP | $1,370,708,888 | 4 |
| Clark Construction Group LLC | $1,363,275,205 | 3 |
| Caci, Inc. - Federal | $1,308,296,695 | 8 |
| Acacia Center For Justice | $1,188,696,805 | 2 |
| Dell Federal Systems L.P | $1,075,880,168 | 7 |
| Serco Inc | $1,052,010,397 | 5 |
| B.I. Incorporated | $996,860,174 | 3 |
| Peckham Vocational Industries, Inc. | $993,228,115 | 4 |
| BAE Systems Technology Solutions & Services Inc. | $967,206,126 | 4 |
| Leidos, Inc. | $965,929,549 | 4 |
| Leidos, Inc. | $959,751,148 | 2 |
| Sodexo Management Inc. | $944,210,729 | 1 |
| Deloitte & Touche LLP | $885,411,130 | 8 |
| AT&T Enterprises, LLC | $866,058,174 | 5 |
| Ptsi Managed Services Inc | $726,003,271 | 1 |
| Salient CRGT, Inc. | $720,892,991 | 3 |
| NTT Data Services Federal Government, LLC | $694,151,815 | 3 |
| Gryphon Technologies, L.C. | $693,141,424 | 5 |
| The Rand Corporation | $692,353,943 | 2 |
| Empower Ai, Inc. | $669,586,746 | 3 |
| Systems Planning And Analysis, Inc. | $599,684,117 | 5 |
| LDRM LLC | $595,206,327 | 1 |
| Albert B. Sabin Vaccine Institute, Inc. (The) | $572,074,291 | 3 |
| Peraton Inc. | $571,079,338 | 3 |
| Clark/Smoot/Consigli, A Joint Venture | $544,973,076 | 1 |
| Crowley Government Services, Inc. | $544,619,205 | 5 |
| Advantaged Solutions, LLC | $540,409,661 | 3 |
| Remote Medicine Inc. | $503,603,352 | 1 |
| Maximus Education LLC | $475,143,689 | 2 |
| Lmi Consulting, LLC | $465,512,837 | 3 |
| Amentum Services, Inc. | $462,873,257 | 3 |
| Noblis, Inc. | $450,677,036 | 2 |
| Missouri Higher Education Loan Authority | $450,140,834 | 3 |
| Colsa Corp | $431,074,070 | 1 |
| Maximus Federal Technology Solutions, LLC | $414,187,072 | 3 |
| Identity Theft Guard Solutions, Inc. | $414,039,119 | 1 |
| Leidos, Inc. | $407,032,551 | 3 |
| Centerra Group, LLC | $393,791,368 | 2 |
| Home Builders Institute | $393,722,662 | 4 |
| Modern Technology Solutions, Inc. | $386,142,023 | 1 |
| Leidos, Inc. | $380,382,892 | 4 |
| Ernst & Young LLP | $380,227,599 | 3 |
| MVM, Inc. | $380,124,267 | 1 |
| Mantech Advanced Systems International, Inc. | $378,393,847 | 3 |
| Guidehouse LLP | $358,588,132 | 2 |
| Oasis Systems, LLC | $358,194,624 | 2 |
| Lancer Information Solutions, LLC | $352,353,497 | 1 |
| Washington Gas Light Company | $347,037,395 | 1 |
| Sayres And Associates LLC | $343,665,908 | 3 |
| CACI Technologies, LLC | $333,634,129 | 2 |
| Govcio, LLC | $332,967,425 | 2 |
| Westat, Inc. | $332,747,500 | 2 |
| Turner Construction Company | $327,335,158 | 2 |
| Tribalco LLC | $317,101,596 | 1 |
| Space Ground System Solutions, Inc. | $314,935,635 | 2 |
| Triple Canopy Inc | $313,620,109 | 3 |
| Fors Marsh Group LLC | $300,023,797 | 1 |
| Itc Federal, LLC | $296,657,267 | 2 |
| Northrop Grumman Systems Corporation | $292,227,129 | 2 |
| Calibre Systems Inc | $291,781,467 | 2 |
| Guidehouse Inc. | $285,947,254 | 3 |
| Ingenesis Inc | $280,103,545 | 1 |
| Washington Metropolitan Area Transit Authority | $277,787,527 | 3 |
| Credence Management Solutions Limited Liability Company | $272,260,187 | 1 |
| Bank Of New York Mellon (The) | $264,008,043 | 1 |
| Four LLC | $259,389,462 | 1 |
| American Petroleum Tankers LLC | $258,732,532 | 1 |
| Porter Novelli Public Services Inc. | $257,879,757 | 2 |
| Trade Center Management Associates L.L.C. | $257,871,670 | 1 |
| Digital Management LLC | $257,357,477 | 1 |
| Advanced Technology International | $248,500,001 | 1 |
| Stratacomm, LLC | $241,263,072 | 2 |
| Icf Incorporated, L.L.C. | $235,486,245 | 2 |
| Ipg Dxtra, Inc. | $230,880,849 | 1 |
| Steampunk, Inc. | $224,069,326 | 2 |
| Educational Testing Service | $222,477,349 | 2 |
| Sciolex Corporation | $221,984,620 | 2 |
| Kci-Acuity, LLC | $213,043,761 | 1 |
| Northrop Grumman Systems Corporation | $210,570,445 | 2 |
| General Dynamics Information Technology Inc. | $207,949,539 | 2 |
| Eagle Harbor, LLC | $206,881,955 | 1 |
| Project Enhancement Corporation | $205,942,789 | 2 |
| Idemia National Security Solutions LLC | $204,164,500 | 1 |