Top 100 Contractors in NAICS 33451: Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, FY2025

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 67% of FY2025 NAICS 33451 contract dollars

Ranking facts

Contract obligations
$24,860,307,918 Net of deobligations, by contracts coded NAICS 33451 or a code under it
Contractors
3,901 Parent companies with an obligation
Largest contractor
RTX Corporation $8.21 billion, 32.0% of obligations
Data as of

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank Contractor Net obligations Share Trend
1
RTX Corporation 46 awardees, including Raytheon Company and Rockwell Collins, Inc.
Top agencies
$8,211,169,633
Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2
Lockheed Martin Corporation 21 awardees
Top agencies
$3,233,346,037
Rank history: #2 in FY2021, #2 in FY2022, #2 in FY2023 and #2 in FY2024; unchanged since FY2024.
3
Northrop Grumman Systems Corporation 32 awardees
Top agencies
$1,526,307,717
Rank history: #3 in FY2021, #3 in FY2022, #3 in FY2023 and #3 in FY2024; unchanged since FY2024.
4
The Boeing Company 16 awardees, including Argon ST, Inc., Jeppesen Foreflight, Inc. and Boeing Distribution, Inc.
Top agencies
$850,779,867
Rank history: #12 in FY2021, #11 in FY2022, #4 in FY2023 and #4 in FY2024; unchanged since FY2024.
5
L3Harris Technologies, Inc. 38 awardees, including L3 Technologies, Inc., Wescam Usa, Inc. and L3Harris Interstate Electronics Corporation
Top agencies
$767,037,225
Rank history: #4 in FY2021, #4 in FY2022, #5 in FY2023 and #8 in FY2024; up 3 since FY2024.
6
Leonardo S.p.A. 17 awardees, including DRS Sustainment Systems, Inc., DRS Network & Imaging Systems LLC and Laurel Technologies Partnership
Top agencies
$744,274,119
Rank history: #7 in FY2021, #6 in FY2022, #6 in FY2023 and #5 in FY2024; down 1 since FY2024.
7
BAE Systems 15 awardees, including BAE Systems Information and Electronic Systems Integration Inc., BAE Systems Technology Solutions & Services Inc. and BAE Systems Controls Inc.
Top agencies
$591,256,219
Rank history: #10 in FY2021, #8 in FY2022, #8 in FY2023 and #7 in FY2024; unchanged since FY2024.
8
General Dynamics Corporation 16 awardees, including General Dynamics Mission Systems, Inc., Electric Boat Corporation and General Dynamics-Ots, Inc.
Top agencies
$468,092,023
Rank history: #17 in FY2021, #12 in FY2022, #14 in FY2023 and #10 in FY2024; up 2 since FY2024.
9
Kongsberg Defence & Aerospace AS
Top agencies
$434,288,219
Rank history: not on the FY2021–FY2024 lists; new.
10
Undersea Sensor Systems Inc. 3 awardees, including Ultra Electronics Ice Inc.
Top agencies
$399,566,150
Rank history: not on the FY2021–FY2024 lists; up 433 since FY2024.
11
Leidos Holdings, Inc. 13 awardees, including Leidos, Inc., Gibbs & Cox Inc. and Leidos Security Detection & Automation, Inc.
Top agencies
$357,752,025
Rank history: #5 in FY2021, #13 in FY2022, #11 in FY2023 and #15 in FY2024; up 4 since FY2024.
12
General Atomics Aeronautical Systems, Inc.
Top agencies
$309,424,468
Rank history: not on the FY2021–FY2023 lists and #45 in FY2024; up 33 since FY2024.
13
Sierra Nevada Company, LLC 2 awardees
Top agencies
$303,285,307
Rank history: #22 in FY2021, #32 in FY2022, #19 in FY2023 and #19 in FY2024; up 6 since FY2024.
14
Sonova Holding AG 2 awardees, including Sonova USA Inc.
Top agencies
$242,941,368
Rank history: #14 in FY2021, #14 in FY2022, #13 in FY2023 and #11 in FY2024; down 3 since FY2024.
15
Ultra Electronics Ocean Systems Inc.
Top agencies
$219,336,603
Rank history: not on the FY2021–FY2023 lists and #29 in FY2024; up 14 since FY2024.
16
Honeywell International Inc. 21 awardees, including Honeywell Building Solutions GMBH
Top agencies
$212,332,943
Rank history: #27 in FY2021, #21 in FY2022, #15 in FY2023 and #17 in FY2024; up 1 since FY2024.
17
Siemens Corporation 7 awardees, including Siemens Medical Solutions Usa, Inc., Siemens Healthcare Diagnostics Inc. and Varian Medical Systems, Inc.
Top agencies
$209,824,404
Rank history: not on the FY2021–FY2023 lists and #14 in FY2024; down 3 since FY2024.
18
Anduril Industries Inc.
Top agencies
$204,316,666
Rank history: not on the FY2021 list, #23 in FY2022, #21 in FY2023 and #6 in FY2024; down 12 since FY2024.
19
Teledyne Flir Unmanned Ground Systems Inc 27 awardees, including Teledyne Flir Defense, Inc., Teledyne Brown Engineering, Inc. and Teledyne Instruments, Inc.
Top agencies
$192,982,844
Rank history: #47 in FY2021, #27 in FY2022, #44 in FY2023 and #40 in FY2024; up 21 since FY2024.
20
SRC Inc. 2 awardees, including Srctec, LLC
Top agencies
$176,308,570
Rank history: #31 in FY2021, #17 in FY2022, #7 in FY2023 and #12 in FY2024; down 8 since FY2024.
21
General Electric Company 4 awardees, including GE Precision Healthcare LLC, GE Healthcare Inc. and GE Medical Systems Information Technologies, Inc.
Top agencies
$159,638,059
Rank history: #18 in FY2021, #15 in FY2022, #16 in FY2023 and #16 in FY2024; down 5 since FY2024.
22
Science Applications International Corporation 2 awardees
Top agencies
$149,505,425
Rank history: not on the FY2021–FY2024 lists; new.
23
Koninklijke Philips N.V. 2 awardees, including Philips North America LLC
Top agencies
$144,597,607
Rank history: #19 in FY2021, #19 in FY2022, #18 in FY2023 and not on the FY2024 list; returned.
24
Smiths Detection Inc.
Top agencies
$108,664,312
Rank history: not on the FY2021–FY2023 lists and #24 in FY2024; unchanged since FY2024.
25
Saab, Inc.
Top agencies
$105,872,365
Rank history: not on the FY2021–FY2022 lists, #33 in FY2023 and #37 in FY2024; up 12 since FY2024.
26
Danaher Corporation 16 awardees, including Beckman Coulter, Inc., Cepheid and AB Sciex LLC
Top agencies
$103,525,482
Rank history: #16 in FY2021, #20 in FY2022, #20 in FY2023 and #30 in FY2024; up 4 since FY2024.
27
Canadian Commercial Corporation
Top agencies
$98,610,186
Rank history: not on the FY2021–FY2023 lists and #20 in FY2024; down 7 since FY2024.
28
TRX Systems, Inc.
Top agencies
$95,387,671
Rank history: not on the FY2021–FY2023 lists and #41 in FY2024; up 13 since FY2024.
29
Oticon, Inc. 2 awardees, including E3 Diagnostics, Inc.
Top agencies
$87,230,296
Rank history: #57 in FY2021, #40 in FY2022, #26 in FY2023 and #82 in FY2024; up 53 since FY2024.
30
Abbott Laboratories Inc. 7 awardees, including Alere San Diego, Inc. and Abbott Rapid DX North America LLC
Top agencies
$84,261,242
Rank history: #30 in FY2021, #34 in FY2022, #25 in FY2023 and #36 in FY2024; up 6 since FY2024.
31
Rapiscan Systems Inc.
Top agencies
$76,363,433
Rank history: not on the FY2021–FY2023 lists and #66 in FY2024; up 35 since FY2024.
32
Thermo Fisher Scientific Inc. 12 awardees, including Life Technologies Corporation, Thermo Electron North America LLC and FEI Company
Top agencies
$76,077,173
Rank history: not on the FY2021–FY2022 lists, #76 in FY2023 and #31 in FY2024; down 1 since FY2024.
33
Starkey Laboratories Inc.
Top agencies
$74,424,693
Rank history: #35 in FY2021, #37 in FY2022, #29 in FY2023 and #38 in FY2024; up 5 since FY2024.
34
Huntington Ingalls Industries, Inc. 4 awardees, including HII Unmanned Systems, Inc., Enlighten It Consulting LLC and HII Mission Technologies Corp
Top agencies
$56,454,134
Rank history: not on the FY2021–FY2024 lists; up 321 since FY2024.
35
Management Services Group, Inc.
Top agencies
$53,672,634
Rank history: #44 in FY2021, #24 in FY2022, #38 in FY2023 and #33 in FY2024; down 2 since FY2024.
36
Sedna Digital Solutions, LLC
Top agencies
$51,968,541
Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #51 in FY2024; up 15 since FY2024.
37
Electronic Warfare Associates, Inc. 2 awardees, including EWA Triad, LLC and Corelis, Inc.
Top agencies
$51,808,578
Rank history: not on the FY2021–FY2024 lists; up 358 since FY2024.
38
PCI Aviation LLC
Top agencies
$51,512,793
Rank history: not on the FY2021–FY2024 lists; new.
39
Roche Holdings Inc. Through Roche Diagnostics Corporation
Top agencies
$51,133,476
Rank history: not on the FY2021–FY2023 lists and #74 in FY2024; up 35 since FY2024.
40
GN US Holdings Inc Through GN Hearing Care Corporation
Top agencies
$48,634,461
Rank history: not on the FY2021–FY2023 lists and #62 in FY2024; up 22 since FY2024.
41
Elbit Systems Ltd 3 awardees, including Elbit Systems of America - Night Vision LLC
Top agencies
$47,466,966
Rank history: #55 in FY2021, #66 in FY2022, #91 in FY2023 and #27 in FY2024; down 14 since FY2024.
42
Teradyne Inc. 2 awardees
Top agencies
$47,242,410
Rank history: not on the FY2021 list, #80 in FY2022, #75 in FY2023 and #78 in FY2024; up 36 since FY2024.
43
Government Scientific Source Inc.
Top agencies
$43,827,909
Rank history: #42 in FY2021, #42 in FY2022, #30 in FY2023 and #43 in FY2024; unchanged since FY2024.
44
UEI C464ZMGWKVT4 5 awardees, including Advanced Acoustic Concepts, LLC, Thales Usa, Inc. and Thales Defense & Security Inc.
Top agencies
$43,479,407
Rank history: not on the FY2021–FY2024 lists; up 83 since FY2024.
45
D-2 Incorporated
Top agencies
$40,920,334
Rank history: not on the FY2021–FY2024 lists; up 58 since FY2024.
46
Raytheon Company
Top agencies
$38,372,768
Rank history: not on the FY2021–FY2023 lists and #23 in FY2024; down 23 since FY2024.
47
CHG Group Inc 3 awardees, including Chemring Energetic Devices Inc. and Chemring Sensors and Electronic Systems, Inc.
Top agencies
$38,242,715
Rank history: not on the FY2021–FY2024 lists; up 187 since FY2024.
48
Widex USA Inc. Through WS Audiology Usa, Inc.
Top agencies
$35,949,444
Rank history: not on the FY2021–FY2024 lists; up 71 since FY2024.
49
Echodyne Corp
Top agencies
$35,316,332
Rank history: not on the FY2021–FY2024 lists; new.
50
Textron Inc. 4 awardees, including Textron Systems Corporation, Bell Textron Inc. and Textron Ground Support Equipment Inc.
Top agencies
$35,132,662
Rank history: #33 in FY2021, #43 in FY2022, #27 in FY2023 and #57 in FY2024; up 7 since FY2024.
51
V2X, Inc. 2 awardees, including Vertex Modernization and Sustainment LLC and V2X Systems LLC
Top agencies
$35,075,471
Rank history: not on the FY2021–FY2024 lists; new.
52
Federal Resources Supply Company, LLC
Top agencies
$34,701,786
Rank history: #40 in FY2021, #36 in FY2022, not on the FY2023 list and #44 in FY2024; down 8 since FY2024.
53
Agilent Technologies, Inc. 4 awardees
Top agencies
$34,083,651
Rank history: not on the FY2021–FY2023 lists and #61 in FY2024; up 8 since FY2024.
54
Rohde & Schwarz GMBH & Co. Kommanditgesellschaft 2 awardees, including Rohde & Schwarz Usa, Inc. and Zurich Instruments AG
Top agencies
$33,737,710
Rank history: #90 in FY2021, #78 in FY2022, #60 in FY2023 and #92 in FY2024; up 38 since FY2024.
55
Moog Inc. 8 awardees, including Moog Military Aircraft LLC, S-Tec Corporation and Quickset Defense Technologies LLC
Top agencies
$33,012,912
Rank history: #53 in FY2021, #82 in FY2022, #87 in FY2023 and not on the FY2024 list; up 65 since FY2024.
56
Ametek Inc. 28 awardees, including Advanced Measurement Technology Inc., Nsi-Mi Technologies Inc. and Spectro Scientific, Inc.
Top agencies
$32,467,399
Rank history: #69 in FY2021, #63 in FY2022, #99 in FY2023 and not on the FY2024 list; up 56 since FY2024.
57
Design West Technologies Inc.
Top agencies
$32,368,113
Rank history: #66 in FY2021, #45 in FY2022, #70 in FY2023 and #32 in FY2024; down 25 since FY2024.
58
Total Technology, Inc.
Top agencies
$31,972,108
Rank history: not on the FY2021 list, #44 in FY2022 and not on the FY2023–FY2024 lists; up 88 since FY2024.
59
Sysmex America Inc.
Top agencies
$30,090,009
Rank history: not on the FY2021–FY2023 lists and #97 in FY2024; up 38 since FY2024.
60
Government Marketing and Procurement, LLC
Top agencies
$29,349,055
Rank history: not on the FY2021–FY2024 lists; up 45 since FY2024.
61
Seemann Composites, LLC
Top agencies
$29,132,013
Rank history: not on the FY2021–FY2023 lists and #87 in FY2024; up 26 since FY2024.
62
The Charles Stark Draper Laboratory, Inc.
Top agencies
$28,698,894
Rank history: #15 in FY2021, #16 in FY2022, #17 in FY2023 and #26 in FY2024; down 36 since FY2024.
63
Innovative Defense Technologies LLC
Top agencies
$27,745,007
Rank history: not on the FY2021–FY2024 lists; up 59 since FY2024.
64
Caes Systems LLC
Top agencies
$27,735,991
Rank history: not on the FY2021–FY2024 lists; up 236 since FY2024.
65
Analogic Corp
Top agencies
$25,836,524
Rank history: not on the FY2021–FY2024 lists; up 49 since FY2024.
66
Illumina, Inc.
Top agencies
$25,314,184
Rank history: #58 in FY2021, #54 in FY2022, #49 in FY2023 and #72 in FY2024; up 6 since FY2024.
67
Scitech Services Inc.
Top agencies
$25,196,329
Rank history: not on the FY2021 list, #86 in FY2022 and not on the FY2023–FY2024 lists; returned.
68
Toshiba Corporation Through Westinghouse Government Services LLC
Top agencies
$24,965,577
Rank history: not on the FY2021–FY2024 lists; new.
69
Systems Engineering Support Co.
Top agencies
$24,561,086
Rank history: not on the FY2021 list, #99 in FY2022, #95 in FY2023 and not on the FY2024 list; up 80 since FY2024.
70
Fortive Corporation 6 awardees, including Fluke Electronics Corp, Landauer, Inc. and Censis Technologies, Inc.
Top agencies
$24,406,144
Rank history: not on the FY2021–FY2023 lists and #80 in FY2024; up 10 since FY2024.
71
Astrophysics Inc.
Top agencies
$23,164,305
Rank history: #39 in FY2021 and not on the FY2022–FY2024 lists; up 50 since FY2024.
72
Astronics Corporation 4 awardees, including Astronics Test Systems Inc. and Luminescent Systems, Inc.
Top agencies
$22,173,743
Rank history: not on the FY2021–FY2024 lists; new.
73
Rev-Cap Company, Inc.
Top agencies
$21,367,915
Rank history: not on the FY2021–FY2024 lists; up 395 since FY2024.
74
Safran Power USA LLC Through Idemia Identity & Security USA LLC
Top agencies
$21,191,075
Rank history: not on the FY2021–FY2024 lists; new.
75
Ludlum Measurements, Inc.
Top agencies
$21,190,845
Rank history: not on the FY2021–FY2022 lists, #81 in FY2023 and #73 in FY2024; down 2 since FY2024.
76
Hologic, Inc. 3 awardees, including Hologic Sales and Service, LLC and Biotheranostics Inc.
Top agencies
$21,144,627
Rank history: #82 in FY2021, #53 in FY2022, #72 in FY2023 and not on the FY2024 list; up 94 since FY2024.
77
Sustainable System Solutions LLC
Top agencies
$21,000,043
Rank history: #32 in FY2021, #38 in FY2022, #36 in FY2023 and #67 in FY2024; down 10 since FY2024.
78
Symetrics Industries, LLC
Top agencies
$20,726,076
Rank history: not on the FY2021–FY2024 lists; up 32 since FY2024.
79
Ortho-Clinical Diagnostics Inc. 4 awardees, including Quidelortho Sales Company, LLC
Top agencies
$20,645,467
Rank history: not on the FY2021–FY2024 lists; up 83 since FY2024.
80
Aerovironment, Inc. 3 awardees, including Videoray LLC, Bluehalo Labs, LLC and Bluehalo, LLC
Top agencies
$20,500,988
Rank history: not on the FY2021–FY2024 lists; new.
81
Thermo Electron Corporation 7 awardees, including Fisher Bioservices Inc., Fisher Scientific Company L.L.C. and Thermo Eberline LLC
Top agencies
$20,326,262
Rank history: #29 in FY2021, #30 in FY2022, #28 in FY2023 and not on the FY2024 list; up 218 since FY2024.
82
Vaisala Inc. 2 awardees
Top agencies
$19,773,844
Rank history: not on the FY2021–FY2024 lists; new.
83
Saab AB 2 awardees, including Saab Inc.
Top agencies
$19,669,771
Rank history: #45 in FY2021, #35 in FY2022 and not on the FY2023–FY2024 lists; up 255 since FY2024.
84
Elbit Systems of America LLC 2 awardees, including Elbitamerica, Inc. and Universal Avionics Systems Corp
Top agencies
$18,907,821
Rank history: not on the FY2021–FY2023 lists and #35 in FY2024; down 49 since FY2024.
85
Olympus America Inc.
Top agencies
$18,424,642
Rank history: not on the FY2021–FY2024 lists; up 59 since FY2024.
86
Amentum Holdings, Inc. 3 awardees, including The Keyw Corporation, Amentum Services, Inc. and Amentum Technology, Inc.
Top agencies
$18,344,777
Rank history: not on the FY2021–FY2024 lists; new.
87
Mountain Horse LLC
Top agencies
$17,996,147
Rank history: #88 in FY2021, #51 in FY2022, #46 in FY2023 and #48 in FY2024; down 39 since FY2024.
88
Kratos Defense & Security Solutions Inc. 3 awardees, including Micro Systems, Inc. and Caes Mission Systems LLC
Top agencies
$17,663,426
Rank history: not on the FY2021–FY2024 lists; up 147 since FY2024.
89
OEC Medical Systems, Inc.
Top agencies
$17,050,155
Rank history: not on the FY2021–FY2024 lists; up 35 since FY2024.
90
Northern Defense Industries, LLC 2 awardees, including Hensoldt Inc.
Top agencies
$16,986,292
Rank history: not on the FY2021–FY2024 lists; new.
91
Norotos, Inc.
Top agencies
$16,463,173
Rank history: not on the FY2021–FY2024 lists; up 32 since FY2024.
92
Sechan Electronics Inc.
Top agencies
$16,199,159
Rank history: #65 in FY2021, not on the FY2022 list, #62 in FY2023 and #83 in FY2024; down 9 since FY2024.
93
Safran Defense & Space, Inc.
Top agencies
$15,931,938
Rank history: not on the FY2021–FY2023 lists and #55 in FY2024; down 38 since FY2024.
94
Indal Technologies Inc 5 awardees, including Curtiss-Wright DS, Inc. and Curtiss-Wright Electro-Mechanical Corp
Top agencies
$15,748,872
Rank history: not on the FY2021–FY2024 lists; up 71 since FY2024.
95
Accelint Global Inc.
Top agencies
$14,951,301
Rank history: not on the FY2021–FY2024 lists; new.
96
Printed Circuits Corp.
Top agencies
$14,860,034
Rank history: not on the FY2021–FY2024 lists; new.
97
Keystone Mission Solutions Corp
Top agencies
$14,850,000
Rank history: not on the FY2021–FY2024 lists; new.
98
Tactair Fluid Controls Inc 16 awardees, including Armtec Countermeasures Co, Aerosonic LLC and Scioteq
Top agencies
$14,391,098
Rank history: not on the FY2021–FY2023 lists and #89 in FY2024; down 9 since FY2024.
99
After Action Medical and Dental Supply, LLC
Top agencies
$14,324,834
Rank history: not on the FY2021–FY2024 lists; up 185 since FY2024.
100
Avmedical LLC
Top agencies
$13,653,711
Rank history: not on the FY2021–FY2024 lists; new.
Show 75 more

100 of 3,901 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 33451

Code Net obligations Largest contractor
334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing $20,906,439,313 RTX Corporation
334517 Irradiation Apparatus Manufacturing $852,976,898 Siemens Corporation
334516 Analytical Laboratory Instrument Manufacturing $851,385,400 Danaher Corporation
334510 Electromedical and Electrotherapeutic Apparatus Manufacturing $750,169,402 Sonova Holding AG
334519 Other Measuring and Controlling Device Manufacturing $668,080,064 Lockheed Martin Corporation
334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals $493,479,081 PCI Aviation LLC
334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables $221,269,039 D-2 Incorporated
334514 Totalizing Fluid Meter and Counting Device Manufacturing $61,043,791 Guerrero Professional Services, Inc.
334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use $55,464,928 The Prospective Group, LLC

How this ranking works

  • Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
  • Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $25.7 billion obligated before deobligations, so they never pass 100%.
  • Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
  • Fiscal year 2025 ran Oct 1, 2024 – Sep 30, 2025. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
  • Rank changes compare with FY2024. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
  • Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2024 takes the color of the rank change beside it.
  • Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 33451 contractors in FY2025?

1. RTX Corporation ($8.21B), 2. Lockheed Martin Corporation ($3.23B), 3. Northrop Grumman Systems Corporation ($1.53B), 4. The Boeing Company ($851M), 5. L3Harris Technologies, Inc. ($767M), 6. Leonardo S.p.A. ($744M), 7. BAE Systems ($591M), 8. General Dynamics Corporation ($468M), 9. Kongsberg Defence & Aerospace AS ($434M), 10. Undersea Sensor Systems Inc. ($400M).

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