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Federal Contractor Ranking

Top 50 Federal Contractors in California

The 50 largest federal contractors headquartered in California by total obligated dollars (FY2016–FY2026), based on recipient state address from USAspending.gov.

50
Contractors Ranked
$429B
Combined Obligated
Contractors headquartered in California
Cohort
RankContractorTotal Obligated
#1Mckesson Corporation

UEI S1RUKWWRYFL6

$45B
#2Health Net Federal Services, LLC

UEI F7NGF6NJFB96

$33B
#3Lawrence Livermore National Security, LLC

UEI PM52LCJH72T9

$28B
#4California Institute Of Technology

UEI YC1YP79BFD19

$26B
#5Northrop Grumman Systems Corporation

UEI LALWKM623MU7

$25B
#6Space Exploration Technologies Corp.

UEI C6M7C2FLKER5

$22B
#7The Boeing Company

UEI M8JLMEHJADQ5

$22B
#8Raytheon Company

UEI NBSLHP77ZJQ1

$22B
#9General Atomics Aeronautical Systems, INC.

UEI ZH4NVFG3Z526

$21B
#10Lockheed Martin Corp

UEI CQWLW9XRQTH5

$20B
#11National Steel And Shipbuilding Company

UEI Q85KVUK3JBF5

$14B
#12The Regents Of The University Of California

UEI ENBLDJUN4N73

$13B
#13The Aerospace Corporation

UEI YA8LJBJCND19

$12B
#14Qtc Medical Services INC

UEI GN8YP96TMPK6

$11B
#15Northrop Grumman Systems Corp

UEI JRVLDEXMYDK8

$7.2B
#16Bechtel Marine Propulsion Corporation

UEI RXSMGBN74NL7

$6.6B
#17Parsons Government Services INC.

UEI NMBCAG1JBKL7

$6.6B
#18The Leland Stanford Junior University

UEI HJD6G4D6TJY5

$6.4B
#19Lockheed Martin Corporation

UEI LXKGXB75YKY6

$5.5B
#20Viasat INC

UEI L9Z1ASN3B8E7

$4.6B
#21Aecom Technical Services, INC.

UEI EPUXNLX5EYC4

$4.4B
#22A-mark Precious Metals, INC.

UEI CJZ8EW1Q7JJ6

$4.2B
#23Bechtel National, INC.

UEI HGF7H89MA3D9

$4.1B
#24General Atomics

UEI TVRYQ3N3B8H5

$4.1B
#25Bae Systems Maritime Solutions San Diego INC.

UEI ZMBFGXHLGLM3

$4.0B
#26New Tech Solutions, INC.

UEI XK11LLUL61A7

$4.0B
#27Aerojet Rocketdyne Of De, INC

UEI JCZYYYQ7JGF5

$3.4B
#28Rq Construction, LLC

UEI NE61LN4FM1A5

$3.2B
#29Environmental Chemical Corporation

UEI LFH4SUCVA379

$3.0B
#30Patriot Contract Services, LLC

UEI S9L9DZ8RBNL6

$3.0B
#31Harper Construction Company, INC.

UEI GMJPZCJDUG24

$2.8B
#32Blue Tech INC.

UEI MDC5LDZKQAM4

$2.7B
#33Ecc Constructors LLC

UEI LJPLMV3GCYE7

$2.4B
#34Alliant Techsystems Operations LLC

UEI HBCXZGZJ83M4

$2.4B
#35The Rand Corporation

UEI YY46Q97AEZA8

$2.4B
#36Parker-hannifin Corporation

UEI D8HJPMFFSGS3

$2.4B
#37Gilbane Federal

UEI WHB7C12ADS35

$2.3B
#38Anduril Industries, INC.

UEI KC3CH2MSK7Q3

$2.2B
#39Ihealth Labs INC.

UEI RSKJC51FNLR3

$2.1B
#40Inter-con Security Systems, INC.

UEI EZ3SMGBR74X6

$2.0B
#41Pride Industries

UEI KTTQP5D3JDY7

$2.0B
#42Palantir Usg INC

UEI HNN4F9JZWDY8

$2.0B
#43Linquest Corporation

UEI HQBRRJBLDQ37

$1.9B
#44Cisco Systems INC

UEI V3JJMWE4SRC6

$1.7B
#45Vitol Aviation CO

UEI VBRVUG2WHG21

$1.7B
#46Tecolote Research, INC.

UEI EETHKKLA2VB4

$1.7B
#47Valiant Global Defense Services INC.

UEI PD3UQQ22NQW1

$1.6B
#48Techflow, INC.

UEI WDXQN83XB8Z8

$1.6B
#49Sri International

UEI SRG2J1WS9X63

$1.6B
#50Granite Construction Company

UEI VAYJNMM2KBE5

$1.6B

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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