| National Technology & Engineering Solutions Of Sandia, LLC | Albuquerque | NM | $29.4B |
| Fluor Marine Propulsion, LLC | Greenville | SC | $21.4B |
| Lawrence Livermore National Security, LLC | Livermore | CA | $19B |
| Leidos, Inc.Reston, VA · UEI UE9QJD4KK1L6 | Reston | VA | $15.7B |
| Ut-battelle LLC | Oak Ridge | TN | $15.7B |
| Battelle Energy Alliance, LLC | Idaho Falls | ID | $11.4B |
| The Johns Hopkins University Applied Physics Laboratory LLC | Laurel | MD | $11.3B |
| The Mitre CorporationMc Lean, VA · UEI DMHDNDCPWUD1 | Mc Lean | VA | $9.02B |
| Massachusetts Institute Of Technology | Lexington | MA | $7.63B |
| The Aerospace Corporation | El Segundo | CA | $7.44B |
| Uchicago Argonne, LLC | Chicago | IL | $6.83B |
| Leidos Biomedical Research Inc. | Frederick | MD | $5.33B |
| Raytheon CompanyMckinney, TX · UEI HEBCLD22EJD1 | Mckinney | TX | $5.19B |
| Leidos, Inc.Reston, VA · UEI MDSWM6MB1BH7 | Reston | VA | $5.18B |
| Brookhaven Science Associates LLC | Upton | NY | $4.9B |
| Advanced Technology International | Summerville | SC | $4.64B |
| Leidos, Inc.Reston, VA · UEI KTMAJCY6JXM3 | Reston | VA | $4.37B |
| Leidos, Inc.Reston, VA · UEI QLNMVC12KWY3 | Reston | VA | $4.26B |
| Raytheon CompanyTewksbury, MA · UEI LWF3QUSCDNG1 | Tewksbury | MA | $3.71B |
| Torch Technologies Inc. | Huntsville | AL | $3.55B |
| The Charles Stark Draper Laboratory, Inc. | Cambridge | MA | $3.23B |
| Georgia Tech Applied Research Corp. | Atlanta | GA | $3.21B |
| The Mitre CorporationBedford, MA · UEI GAVABYGCURL7 | Bedford | MA | $2.62B |
| Dynetics, Inc. | Huntsville | AL | $2.53B |
| Fermi Forward Discovery Group, LLC | Chicago | IL | $2.51B |
| Battelle Memorial Institute | Columbus | OH | $2.43B |
| Leidos, Inc.Reston, VA · UEI JSTDGZNFP4A3 | Reston | VA | $2.28B |
| Fermi Research Alliance, LLC | Chicago | IL | $2.06B |
| DCS Corporation | Alexandria | VA | $2.01B |
| Credence Management Solutions Limited Liability Company | Mclean | VA | $1.96B |
| Linquest Corporation | Herndon | VA | $1.82B |
| Modern Technology Solutions, Inc. | Alexandria | VA | $1.67B |
| Odyssey Systems Consulting Group, Ltd. | Wakefield | MA | $1.65B |
| Battelle Savannah River Alliance, LLC | Aiken | SC | $1.64B |
| Oasis Systems, LLC | Arlington | VA | $1.61B |
| Intuitive Research And Technology Corporation | Huntsville | AL | $1.57B |
| Northrop Grumman Systems Corporation | Baltimore | MD | $1.52B |
| Association Of Universities For Research In Astronomy, Inc. | Baltimore | MD | $1.39B |
| Applied Research Solutions, Inc. | Beavercreek | OH | $1.37B |
| Cherokee Nation Management & Consulting, L.L.C. | Tulsa | OK | $1.34B |
| General Dynamics Mission Systems, Inc. | Manassas | VA | $1.29B |
| Tecolote Research, Inc. | Goleta | CA | $1.25B |
| Radiance Technologies Inc. | Huntsville | AL | $1.22B |
| Science Systems And Applications, Inc. | Lanham | MD | $1.05B |
| Utah State University Space Dynamics Laboratory | North Logan | UT | $1.05B |
| Jefferson Science Associates, LLC | Washington | DC | $1.02B |
| Teledyne Brown Engineering, Inc. | Huntsville | AL | $1.01B |
| Intrepid LLC | Huntsville | AL | $982M |
| Colsa Corp. | Huntsville | AL | $977M |
| Sri International | Menlo Park | CA | $801M |
| Carnegie Mellon University | Pittsburgh | PA | $778M |
| Spatial Front Inc. | Bethesda | MD | $767M |
| Frontier Technology Inc. | Beavercreek | OH | $766M |
| Technical Resources International, Inc. | Bethesda | MD | $756M |
| Technology Service Corp. | Arlington | VA | $726M |
| All Points Logistics, LLC | Merritt Island | FL | $720M |
| Apogee Engineering, LLC | Colorado Springs | CO | $661M |
| Systems & Technology Research LLC | Woburn | MA | $643M |
| Netcentric Technology, LLC | Neptune | NJ | $642M |
| American Electronic Warfare Associates, Incorporated | California | MD | $630M |
| Axient LLCArlington, VA · UEI MHJ2S6K2LKP5 | Arlington | VA | $618M |
| J.f. Taylor, Inc. | Great Mills | MD | $618M |
| Axient LLCHuntsville, AL · UEI D1MTH1DW5C65 | Huntsville | AL | $591M |
| Assured Information Security, Inc. | Rome | NY | $586M |
| Astrion Group, LLC | Huntsville | AL | $569M |
| Strategic Analysis, Inc. | Arlington | VA | $565M |
| Innovative Defense Technologies, LLC | Arlington | VA | $553M |
| RTX BBN Technologies, Inc. | Cambridge | MA | $549M |
| Sigmatech Inc. | Huntsville | AL | $547M |
| Albert B. Sabin Vaccine Institute, Inc. (the) | Washington | DC | $531M |
| Ensco Inc. | Vienna | VA | $524M |
| Assurance Technology Corp. | Carlisle | MA | $519M |
| The Emmes Company, LLC | Rockville | MD | $516M |
| HX5 LLC | Fort Walton Beach | FL | $516M |
| Qinetiq Inc. | Lorton | VA | $491M |
| Yulista Support Services LLC | Huntsville | AL | $463M |
| P E Systems, Inc. | Fairfax | VA | $462M |
| Chenega Enterprise Systems & Solutions, LLC | Chesapeake | VA | $443M |
| Aerodyne-sgt Engineering Services, LLC | Cape Canaveral | FL | $438M |
| Two Six Labs, LLC | Arlington | VA | $436M |
| Smithsonian Institution | Cambridge | MA | $422M |
| Adnet Systems Inc. | Bethesda | MD | $417M |
| Astrobotic Technology Inc. | Pittsburgh | PA | $410M |
| American Type Culture Collection | Manassas | VA | $408M |
| Fibertek, Inc. | Herndon | VA | $402M |
| Icon Government And Public Health Solutions, Inc. | Blue Bell | PA | $402M |
| Allucent Government Services (us) LLC | Cary | NC | $388M |
| Dni Emerging Technologies, LLC | Oklahoma City | OK | $388M |
| Goldbelt C6, LLC | Chesapeake | VA | $382M |
| Southwest Range Services LLC | Las Cruces | NM | $377M |
| Sonalysts Inc. | Waterford | CT | $374M |
| Icr, Inc. | Aurora | CO | $372M |
| Bluehalo LLC | Huntsville | AL | $369M |
| Kratos S2, Inc. | Colorado Springs | CO | $364M |
| Avion Solutions, Inc. | Huntsville | AL | $363M |
| Qed Systems, LLC | Aberdeen Proving Ground | MD | $363M |
| Prescient Edge Corporation | Mc Lean | VA | $362M |
| Barrios Technology, LLC | Houston | TX | $361M |
| KBR Wyle Services, LLC | Chantilly | VA | $356M |
| Integrated Solutions For Systems, Inc. | Huntsville | AL | $354M |