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Top federal contractors in Missouri

1,691 SAM.gov-registered federal contractors based in Missouri. Ranked by lifetime federal award amount. Updated 2026-05-07.

Firms tracked
1,691
Top-50 lifetime $
$17.19B
Top NAICS
8

Top 50 federal contractors in Missouri

# Firm City NAICS Lifetime $ Contracts
1 THE BOEING COMPANY SAINT LOUIS 541330 $5.03B 0
2 HONEYWELL FEDERAL MANUFACTURING & TECHNOLOGIES, LLC KANSAS CITY 561210 $3.03B 0
3 THE BOEING COMPANY SAINT LOUIS 336413 $1.85B 0
4 ELEMENTARY & SECONDARY EDUCATION MISSOURI DEPARTMENT OF JEFFERSON CITY 541720 $1.23B 0
5 OLIN WINCHESTER LLC INDEPENDENCE 332992 $806.52M 0
6 WASHINGTON UNIVERSITY, THE SAINT LOUIS 541990 $803.47M 0
7 WORLD WIDE TECHNOLOGY LLC MARYLAND HEIGHTS 541519 $464.91M 0
8 DRS SUSTAINMENT SYSTEMS INC BRIDGETON 336212 $439.26M 0
9 J. E. DUNN CONSTRUCTION COMPANY KANSAS CITY 236220 $318.56M 0
10 MISSOURI HIGHER EDUCATION LOAN AUTHORITY CHESTERFIELD 522390 $292.92M 0
11 PERIMETER SOLUTIONS LP CLAYTON 325998 $285.93M 0
12 MISSOURI DEPARTMENT OF NATURAL R JEFFERSON CITY 924120 $272.97M 0
13 EVERNORTH FEDERAL SERVICES INC SAINT LOUIS 524114 $239.38M 0
14 STRUCTSURE PROJECTS INC KANSAS CITY 236220 $181.47M 0
15 KORTE CONSTRUCTION COMPANY SAINT LOUIS 236220 $147.18M 0
16 ENVIRONMENTAL RESTORATION LLC FENTON 562910 $141.78M 0
17 ALBERICI CONSTRUCTORS INC SAINT LOUIS 237990 $134.16M 0
18 BURNS & MCDONNELL ENGINEERING COMPANY, INC. KANSAS CITY 541330 $106.60M 0
19 CHARTER COMMUNICATIONS OPERATING LLC SAINT LOUIS 517111 $104.97M 0
20 MENTAL HEALTH, MISSOURI DEPARTMENT OF JEFFERSON CITY 923120 $82.07M 0
21 EQUIFAX WORKFORCE SOLUTIONS LLC SAINT LOUIS 541612 $77.36M 0
22 EAN HOLDINGS, LLC SAINT LOUIS 532111 $75.18M 0
23 MERIDIAN MEDICAL TECHNOLOGIES, LLC SAINT LOUIS 325414 $63.45M 0
24 THE BI STATE DEVELOPMENT AGENCY OF THE MO IL METRO DIST SAINT LOUIS 485113 $57.81M 0
25 TEHAMA TECHNICAL SERVICES, LLC KANSAS CITY 562910 $52.96M 0
26 SKYMARK REFUELERS LLC KANSAS CITY 336211 $51.40M 0
27 ST. LOUIS COUNTY, MISSOURI SAINT LOUIS 561611 $50.29M 0
28 LABOR AND INDUSTRIAL RELATIONS, MISSOURI DEPARTMENT OF JEFFERSON CITY 923130 $46.84M 0
29 SPECTRUM HEALTHCARE RESOURCES, INC SAINT LOUIS 621111 $44.40M 0
30 MISSOURI DEPARTMENT OF CONSERVATION JEFFERSON CITY 924120 $42.46M 0
31 THE BOEING COMPANY SAINT LOUIS — $41.74M 0
32 MISSOURI DEPARTMENT OF SOCIAL SERVICES JEFFERSON CITY 722310 $38.15M 0
33 ENERSYS ENERGY PRODUCTS INC. WARRENSBURG 335910 $37.97M 0
34 SAINT LOUIS UNIVERSITY SAINT LOUIS 541714 $37.65M 0
35 GUARANTEE INTERIORS, INC. SAINT LOUIS 236220 $37.46M 0
36 EASTERN AIRLINES LLC KANSAS CITY 481211 $37.01M 0
37 THE BOEING COMPANY SAINT LOUIS 541990 $36.98M 0
38 US FOODS INC SALEM 311999 $36.85M 0
39 MRIGLOBAL KANSAS CITY 541715 $36.37M 0
40 MEDVOLT - ROUNDHOUSE JV KANSAS CITY 236220 $34.32M 0
41 MISSOURI STATE UNIVERSITY SPRINGFIELD 611310 $33.66M 0
42 PROAIM AMERICAS, LLC. ELLISVILLE 334510 $33.32M 0
43 LINCOLN UNIVERSITY JEFFERSON CITY 611710 $32.82M 0
44 MADIAN IT SOLUTIONS LLC SAINT CHARLES 541519 $32.33M 0
45 OCCI, INC. FULTON 332312 $32.12M 0
46 CITY OF KANSAS CITY KANSAS CITY 813311 $28.49M 0
47 ACCENT CONTROLS, INC. KANSAS CITY 493110 $25.00M 0
48 UNIVERSITY OF MISSOURI SYSTEM SAINT LOUIS 541715 $22.11M 0
49 THE BOEING COMPANY SAINT LOUIS 336411 $21.49M 0
50 CHILDRENS MERCY HOSPITAL KANSAS CITY 518210 $21.09M 0

Top NAICS in Missouri

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FAQ

How many federal contractors are based in Missouri?

BesaGov tracks 1,691 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.