BesaGov

Top federal contractors in Missouri

1,701 SAM.gov-registered federal contractors based in Missouri. Ranked by lifetime federal award amount. Updated 2026-08-08.

Firms tracked
1,701
Top-50 lifetime $
$17.13B
Top NAICS
8

Top 50 federal contractors in Missouri

# Firm City NAICS Lifetime $ Contracts
1 The Boeing Company Saint Louis 541330 $5.03B 3,030
2 Honeywell Federal Manufacturing & Technologies, Llc Kansas City 561210 $3.03B 4
3 The Boeing Company Saint Louis 336413 $1.85B 6,117
4 Elementary & Secondary Education Missouri Department Of Jefferson City 541720 $1.23B 5
5 Olin Winchester Llc Independence 332992 $806.52M 19
6 Washington University, The Saint Louis 541990 $803.47M 118
7 World Wide Technology Llc Saint Louis 541519 $464.91M 10,599
8 Drs Sustainment Systems Inc Bridgeton 336212 $439.26M 374
9 J. E. Dunn Construction Company Kansas City 236220 $318.56M 39
10 Missouri Higher Education Loan Authority Chesterfield 522390 $292.92M 13
11 Perimeter Solutions Lp Clayton 325998 $285.93M 471
12 Missouri Department Of Natural R Jefferson City 924120 $272.97M 24
13 Evernorth Federal Services Inc Saint Louis 524114 $239.38M 1
14 Structsure Projects Inc Kansas City 236220 $181.47M 74
15 Korte Construction Company Saint Louis 236220 $147.18M 64
16 Environmental Restoration Llc Fenton 562910 $141.78M 999
17 Alberici Constructors Inc Saint Louis 237990 $134.16M 10
18 Burns & Mcdonnell Engineering Company, Inc. Kansas City 541310 $106.60M 383
19 Charter Communications Operating Llc Saint Louis 517111 $104.97M 298
20 Mental Health, Missouri Department Of Jefferson City 923120 $82.07M 4
21 Ean Holdings, Llc Saint Louis 532111 $75.18M 1,157
22 Meridian Medical Technologies, Llc Saint Louis 325414 $63.45M 74
23 The Bi State Development Agency Of The Mo Il Metro Dist Saint Louis 485113 $57.81M 16
24 Tehama Technical Services, Llc Kansas City 562910 $52.96M 11
25 Skymark Refuelers Llc Kansas City 336211 $51.40M 31
26 St. Louis County, Missouri Saint Louis 561611 $50.29M 1
27 Labor And Industrial Relations, Missouri Department Of Jefferson City 923130 $46.84M 5
28 Spectrum Healthcare Resources, Inc Saint Louis 561320 $44.40M 108
29 Missouri Department Of Conservation Jefferson City 924120 $42.46M 17
30 The Boeing Company Saint Louis 336611 $41.74M 115
31 Missouri Department Of Social Services Jefferson City 722310 $38.15M 27
32 Enersys Energy Products Inc. Warrensburg 335910 $37.97M 2,925
33 Saint Louis University Saint Louis 541714 $37.65M 79
34 Guarantee Interiors, Inc. Saint Louis 236220 $37.46M 132
35 Eastern Airlines Llc Kansas City 481211 $37.01M 187
36 The Boeing Company Saint Louis 541990 $36.98M 91
37 Us Foods Inc Salem 311999 $36.85M 5,081
38 Mriglobal Kansas City 332311 $36.37M 146
39 Medvolt - Roundhouse Jv Kansas City 236220 $34.32M 1
40 Missouri State University Springfield 611310 $33.66M 12
41 Proaim Americas, Llc. Ellisville 811210 $33.32M 2,394
42 Lincoln University Jefferson City 611710 $32.82M 9
43 Madian It Solutions Llc Saint Charles 541519 $32.33M 4
44 Occi, Inc. Fulton 332312 $32.12M 5
45 City Of Kansas City Kansas City 813311 $28.49M 10
46 Accent Controls, Inc. Kansas City 493110 $25.00M 49
47 University Of Missouri System Saint Louis 541715 $22.11M 82
48 The Boeing Company Saint Louis 336411 $21.49M 9
49 Childrens Mercy Hospital Kansas City 518210 $21.09M 37
50 Donald Danforth Plant Science Center Saint Louis 541715 $20.47M 50

Top NAICS in Missouri

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FAQ

How many federal contractors are based in Missouri?

BesaGov tracks 1,701 SAM.gov-registered firms whose physical state of business is Missouri. The list updates weekly as new entities register or update their SAM profile.

Who are the largest federal contractors in Missouri?

By lifetime federal award amount, the largest Missouri-based contractors include THE BOEING COMPANY, HONEYWELL FEDERAL MANUFACTURING & TECHNOLOGIES, LLC, THE BOEING COMPANY. See the full top-50 list above.

Can I get notified when a new firm registers in Missouri?

Yes. Sign up for the free weekly Missouri digest above. We'll email you new SAM.gov registrations and award activity for the state — no login required.

Is this data official?

Firm registrations come from SAM.gov entity public extracts. Lifetime award totals come from USAspending.gov. Both are official U.S. government data sources, refreshed weekly.