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Federal Contractor Ranking

Top 50 Defense Contractors (DoD)

The 50 largest contractors to the U.S. Department of Defense by total obligated dollars, FY2016–FY2026.

50
Contractors Ranked
$2.0T
Combined Obligated
U.S. Department of Defense
Cohort
RankContractorTotal Obligated
#1Lockheed Martin Corporation

UEI G4KDGE4JFFK7

$425B
#2The Boeing Company

UEI JJM4FRDZJDX1

$229B
#3Raytheon Company

UEI VTEWM5QSE598

$167B
#4Northrop Grumman Systems Corporation

UEI PK8PM2GNVMP8

$100B
#5Electric Boat Corporation

UEI E7BEKJ4V9528

$94B
#6Humana Government Business INC

UEI ZE6ZM6NKSV43

$66B
#7Lockheed Martin Corp

UEI SJDEB3MKJEW5

$64B
#8Rtx Corporation

UEI QN1BCFY7JDJ5

$58B
#9Sikorsky Aircraft Corporation

UEI UTJWTSLMFNG4

$45B
#10Amerisourcebergen Drug Corp

UEI KABZK8W6PQT3

$35B
#11Huntington Ingalls Incorporated

UEI C3NLZNSMU254

$35B
#12Huntington Ingalls INC

UEI WMXDDH6HJNA5

$33B
#13Atlantic Diving Supply, INC.

UEI GJMSFBCNMSK3

$33B
#14Pfizer INC

UEI MHBQULRMEEJ5

$32B
#15Leidos, INC.

UEI UE9QJD4KK1L6

$31B
#16Health Net Federal Services, LLC

UEI F7NGF6NJFB96

$30B
#17General Electric Company

UEI E3HYKKLT5ZT1

$29B
#18General Dynamics Land Systems INC.

UEI HAWKSQF848W7

$25B
#19Booz Allen Hamilton INC

UEI JCBMLGPE6Z71

$23B
#20Northrop Grumman Systems Corp

UEI D8QQPFNYJD63

$21B
#21L3HARRIS Technologies Integrated Systems L.P.

UEI RDFKNPZNQ8E3

$21B
#22Mckesson Corporation

UEI JTAPCFM4NSL4

$20B
#23General Atomics Aeronautical Systems, INC.

UEI ZH4NVFG3Z526

$20B
#24Bell Boeing Joint Project Office

UEI JHFZTG8ZC9V2

$19B
#25Bechtel Plant Machinery, INC.

UEI MTKMVNVK1MH6

$19B
#26Oshkosh Defense LLC

UEI ZMXAHH8M8VL8

$18B
#27L3HARRIS Technologies, INC.

UEI LB5KVANFKPY7

$18B
#28Science Applications International Corporation

UEI MMLKPW9JLX64

$18B
#29General Dynamics Mission Systems, INC.

UEI JHY6AZA6H191

$17B
#30Amentum Services, INC.

UEI QEMLRQA7PLG4

$17B
#31Bath Iron Works Corporation

UEI FREEMCLKFXE3

$17B
#32Bae Systems Land & Armaments L.P.

UEI DMHSJF9K3XP9

$16B
#33Sierra Nevada Company, LLC

UEI DD2QET4D27T3

$15B
#34Vectrus Systems LLC

UEI RRFJZGASZJ41

$15B
#35National Steel And Shipbuilding Company

UEI Q85KVUK3JBF5

$14B
#36General Dynamics Information Technology, INC.

UEI SMNWM6HN79X5

$14B
#37Fluor Marine Propulsion, LLC

UEI CWHMVCX7K1N6

$14B
#38Bae Systems Information And Electronic Systems Integration INC.

UEI F9AVUZ8YBGQ6

$13B
#39The Johns Hopkins University Applied Physics Laboratory LLC

UEI C1HBCJ9RMBV3

$13B
#40Massachusetts Institute Of Technology

UEI SN5KKUDR9LY8

$12B
#41United Launch Services, LLC

UEI XHAMULHCL9N3

$12B
#42Kbr Services, LLC

UEI YSQMHRS4HSC5

$11B
#43L3 Technologies, INC.

UEI FRJQGQHDX4J3

$11B
#44The Aerospace Corporation

UEI YA8LJBJCND19

$11B
#45The Mitre Corporation

UEI DMHDNDCPWUD1

$11B
#46Honeywell International INC.

UEI KBL6XLDCXKG8

$10.0B
#47Vertex Aerospace LLC

UEI NVC1EFKKYB93

$9.7B
#48Bell Textron INC

UEI N5QUZAYGPKM3

$9.7B
#49Rockwell Collins, INC.

UEI J4Q3HP6NHK47

$9.7B
#50Rolls-royce Corporation

UEI KHK8QYLFGLU1

$9.5B

Source: USAspending.gov, FY2016–FY2026. Mindy aggregates by contractor legal name and rolls up parent + subsidiary UEI relationships. Click any row to view full contracting profile.

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