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Federal Contractor Ranking

Top 50 Federal Systems Integrators (NAICS 541512)

The largest federal systems integrators by NAICS 541512 (Computer Systems Design Services). Includes Booz Allen, Leidos, SAIC, CACI, ManTech, and the rest of the prime IT services tier.

𝕏in
50
Contractors Ranked
$187B
Combined Obligated
NAICS 541512 — Computer Systems Design Services
Cohort
RankContractorTotal Obligated
🥇
Booz Allen Hamilton INC

UEI JCBMLGPE6Z71

$21B
🥈
Leidos, INC.

UEI UE9QJD4KK1L6

$17B
🥉
Accenture Federal Services LLC

UEI C47BNA8GM833

$16B
#4
General Dynamics Information Technology, INC.

UEI SMNWM6HN79X5

$15B
#5
Science Applications International Corporation

UEI MMLKPW9JLX64

$13B
#6
Peraton Enterprise Solutions LLC

UEI MBSRAWAQ9559

$11B
#7
Deloitte Consulting LLP

UEI CKV2L9GZKJK3

$11B
#8
Oracle Health Government Services, INC.

UEI DT2KS3HH5FP5

$9.2B
#9
Caci, INC. - Federal

UEI N3PBJAVNKF61

$7.5B
#10
Northrop Grumman Systems Corporation

UEI DJUCEANK2KP4

$3.7B
#11
Cgi Federal INC.

UEI TRKEP1HEBNS5

$3.6B
#12
Peraton INC.

UEI ZBPQEJVECCT4

$3.6B
#13
Salient Crgt, INC.

UEI Q5LJNF15T2R5

$3.0B
#14
Microsoft Corporation

UEI FMVPEWNJGLM1

$3.0B
#15
Liberty It Solutions LLC

UEI GLGMWJ8EVMR9

$2.8B
#16
Mantech Advanced Systems International, INC.

UEI JY2BDT2K58Z6

$2.6B
#17
International Business Machines Corporation

UEI VV9KH3L99VE3

$2.5B
#18
L3HARRIS Technologies, INC.

UEI QM4EZDV15JL8

$2.0B
#19
Raytheon Company

UEI RJ6ANLQ5D1L7

$2.0B
#20
Serco INC

UEI DKJ1R5ABCN48

$2.0B
#21
Tista Science And Technology Corporation

UEI L73LKJ1JCVM7

$1.8B
#22
Amentum Technology, INC.

UEI H2RGSKWXKHQ5

$1.8B
#23
Unisys Corporation

UEI RBZNNB53KMJ3

$1.7B
#24
T-rex Solutions LLC

UEI MS9NC4RZDK19

$1.5B
#25
Maximus Federal Services, INC.

UEI TREKW6J3QSF5

$1.5B
#26
Caci Nss, LLC

UEI GS59ABNVD6N7

$1.5B
#27
Govcio, LLC

UEI D84JK2RNL7V4

$1.5B
#28
Johnson Controls Building Automation Systems, LLC

UEI LFD2YFMZJ1J3

$1.3B
#29
By Light Professional It Services LLC

UEI NKKQE6FG4C28

$1.3B
#30
Ecs Federal, LLC

UEI XYB4JU4PA6T4

$1.2B
#31
Lockheed Martin Corporation

UEI NMHFLDYJJ4C5

$1.2B
#32
Smartronix, LLC

UEI CMBKC2MHJFK5

$1.2B
#33
Actionet INC

UEI PFFKV8K5B1E8

$1.1B
#34
Leidos Sms INC

UEI NPUZV84KPU17

$1.1B
#35
General Dynamics Information Technology INC.

UEI Z2L7LVNEAPC3

$1.1B
#36
Cognosante Mvh LLC

UEI XDDKMXTVJSN8

$1.0B
#37
Guidehouse Digital LLC

UEI WKMCZLH1KJM4

$1.0B
#38
Ventech Solutions INC

UEI KUL3NEMACE79

$996M
#39
Parsons Government Services INC.

UEI NMBCAG1JBKL7

$984M
#40
Anduril Industries, INC.

UEI KC3CH2MSK7Q3

$941M
#41
Maximus Federal Consulting, LLC

UEI RYMXZHTX4WP3

$940M
#42
B 3 Group, LLC

UEI SVSAKVZJN1S7

$923M
#43
Favor Techconsulting, LLC

UEI R4WTAS3E7BA4

$922M
#44
General Dynamics One Source LLC

UEI D93YKLC3MK67

$898M
#45
Empower Ai, INC.

UEI HC6QJAM2F4E3

$892M
#46
Steampunk, INC.

UEI LJZTDJWPG431

$855M
#47
Hpi Federal LLC

UEI DJRUN4KK1HK3

$849M
#48
Caci Enterprise Solutions, LLC

UEI HLEJZK5FZR54

$841M
#49
Digital Management LLC

UEI EMACGJ3EEAT5

$799M
#50
It Concepts, INC.

UEI GJ5YALPQMCH1

$772M

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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