| Triad National Security, LLC | Columbus | OH | $28.4B |
| Savannah River Nuclear Solutions LLC | Aiken | SC | $13.7B |
| Honeywell Federal Manufacturing & Technologies, LLC | Kansas City | MO | $11.7B |
| V2X Systems LLC | Colorado Springs | CO | $9.28B |
| Mission Support & Test Services LLC | North Las Vegas | NV | $5.72B |
| Deployed Resources LLC | Rome | NY | $4.55B |
| Pantexas Deterrence, LLC | Lynchburg | VA | $3.58B |
| Fluor-bwxt Portsmouth LLC | Piketon | OH | $2.3B |
| Corecivic, Inc. | Brentwood | TN | $1.93B |
| J & J Maintenance Inc. | Mclean | VA | $1.87B |
| Skookum Educational Programs | Bremerton | WA | $1.3B |
| Fluor Intercontinental, Inc. | Greenville | SC | $1.2B |
| Professional Contract Services, Inc. | Austin | TX | $1.19B |
| Pride Industries | Roseville | CA | $1.11B |
| American Engineering Corporation | Ginowan-shi | | $981M |
| Akima Facilities Operations LLC | Herndon | VA | $933M |
| Fluor Federal Petroleum Operations, LLC | New Orleans | LA | $755M |
| Syncom Space Services LLC | Chantilly | VA | $676M |
| Facility Services Management, Inc. | Clarksville | TN | $647M |
| Nuclear Waste Partnership LLC | Carlsbad | NM | $643M |
| Amentum Parsons Logistics Services LLC | Chantilly | VA | $640M |
| DZSP 21 LLC | Chantilly | VA | $635M |
| Emcor Government Services, Inc. | Alexandria | VA | $614M |
| Vinnell Arabia, LLC | Riyadh | | $590M |
| Asrc Federal Field Services, LLC | Beltsville | MD | $548M |
| Fluor Federal Services Inc. | Greenville | SC | $541M |
| Cotton Commercial USA, Inc. | Katy | TX | $528M |
| Amentum Spaceport LLC | Chantilly | VA | $526M |
| Deployed Services, LLC | Carrizo Springs | TX | $523M |
| Healtheon, Inc. | New Orleans | LA | $523M |
| Aktarius LLC | Panama City | FL | $515M |
| Jones Lang Lasalle Americas, Inc. | Chicago | IL | $493M |
| Hci Management Services Company | Winnebago | NE | $488M |
| Strategic Storage Partners, LLC. | Baton Rouge | LA | $430M |
| Lb & B Associates Inc. | Columbia | MD | $427M |
| T&H Services, LLC | Juneau | AK | $415M |
| Valiant Government Services LLC | Herndon | VA | $410M |
| Ranger Land Systems, Inc. | Huntsville | AL | $404M |
| Pegasus Support Services LLC | Woodstock | GA | $396M |
| Pae Applied Technologies LLC | Chantilly | VA | $394M |
| The Building People LLC | Leesburg | VA | $390M |
| Action Facilities Management Inc. | Morgantown | WV | $383M |
| Nve, Inc. | Herndon | VA | $380M |
| Riva Solutions Inc. | Mc Lean | VA | $365M |
| Geo Reentry Inc. | Boca Raton | FL | $362M |
| Pacarctic, LLC | Anchorage | AK | $361M |
| Advanced C4 Solutions Inc. | Tampa | FL | $357M |
| Cw Resources, Inc. | New Britain | CT | $333M |
| Nova Space Solutions, LLC | Anchorage | AK | $315M |
| Ansible Government Solutions LLC | Malvern | PA | $307M |
| Four Seasons Environmental Inc. | Monroe | OH | $290M |
| King & George, LLC | Fort Worth | TX | $289M |
| Technica LLC | Charleston | SC | $286M |
| Sourceamerica | Vienna | VA | $284M |
| Readiness Management Support Lc | Panama City Beach | FL | $283M |
| WSP USA Services Inc. | Herndon | VA | $283M |
| Relyant Global LLC | Maryville | TN | $279M |
| Vectrus Federal Services GMBH | Kaiserslautern | | $273M |
| Red River Science & Technology, LLC | Lawton | OK | $273M |
| Pono Aina Management LLC | Midwest City | OK | $270M |
| KVG LLC | Gettysburg | PA | $266M |
| Arctec Alaska JV | Anchorage | AK | $257M |
| Bowhead Logistics Management, LLC | Springfield | VA | $253M |
| Asrc Federal Gulf State Constructors LLC | Beltsville | MD | $251M |
| Dsc-emi Maintenance Solutions, LLC | Dunn | NC | $244M |
| Spectrum Solutions Inc. | Madison | AL | $242M |
| Cmi Management, LLC | Alexandria | VA | $240M |
| Raven Services Corp. | Manassas | VA | $231M |
| Davis Defense Group, Inc. | Stafford | VA | $218M |
| Electronic Metrology Laboratory, LLC | Nashville | TN | $214M |
| Sawtst LLC | Newnan | GA | $213M |
| Chenega Facilities Management LLC | San Antonio | TX | $211M |
| R & D Maintenance Services Inc. | Tulsa | OK | $209M |
| Tsay Professional Services, Inc. | Ohkay Owingeh | NM | $209M |
| Waypoint LLC | Lead | SD | $203M |
| Phoenix Management Inc. | Cedar Park | TX | $203M |
| Northern Management Services, Inc. | Sandpoint | ID | $201M |
| Hospital Housekeeping Systems LLC | Dripping Springs | TX | $197M |
| Inussuk A/s | Nuussuaq | | $197M |
| Jll-midnight Sun Ifms LLC | Vienna | VA | $189M |
| Teya Support Services LLC | Anchorage | AK | $187M |
| Swift & Staley Inc. | Paducah | KY | $185M |
| Iap-ecc LLC | Melbourne | FL | $183M |
| Nika Technologies Inc. | North Bethesda | MD | $180M |
| Centerra Integrated Facilities Services, LLC | Herndon | VA | $177M |
| Yukon Fire Protection Services, Inc. | Anchorage | AK | $173M |
| Akima Range Readiness Operations LLC | Herndon | VA | $172M |
| Invicta Global, LLC | Fort Worth | TX | $170M |
| Seneca Federal Solutions, LLC | Chantilly | VA | $166M |
| Rivet Operations Company LLC | San Diego | CA | $156M |
| Terrestris, LLC | Woodbridge | VA | $155M |
| Chenega Base & Logistics Services LLC | San Antonio | TX | $154M |
| Criterion Corporation | Marquette | MI | $154M |
| Vanquish Worldwide L.L.C. | Kingsport | TN | $149M |
| Native Energy & Technology Inc. | San Antonio | TX | $146M |
| Vectrus Services A/s | Kobenhavn O | | $144M |
| Vectrus-j&j Facilities Support, LLC | Colorado Springs | CO | $141M |
| Fluor Intercontinental Germany GMBH | Ratingen | | $140M |
| Integriward, LLC | San Antonio | TX | $139M |
| Techflow Mission Support, LLC | Idaho Falls | ID | $138M |
