United States

Top 55 largest US Companies in the Aerospace & Defense industry by Market Cap

This is the list of the largest public listed companies in the Aerospace & Defense industry from the United States by market capitalization with links to their reference stock.

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Top Aerospace & Defense Companies from the United States as of Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 RTX Corporation $193.07 B United States US Industrials US Aerospace & Defense
2 The Boeing Company $159.87 B United States US Industrials US Aerospace & Defense
3 Lockheed Martin Corporation $108.37 B United States US Industrials US Aerospace & Defense
4 TransDigm Group Incorporated $84.91 B United States US Industrials US Aerospace & Defense
5 General Dynamics Corporation $79.11 B United States US Industrials US Aerospace & Defense
6 Northrop Grumman Corporation $71.81 B United States US Industrials US Aerospace & Defense
7 Axon Enterprise, Inc. $61.96 B United States US Industrials US Aerospace & Defense
8 L3Harris Technologies, Inc. $47.40 B United States US Industrials US Aerospace & Defense
9 HEICO Corporation $39.21 B United States US Industrials US Aerospace & Defense
10 Woodward, Inc. $15.01 B United States US Industrials US Aerospace & Defense
11 Textron Inc. $14.85 B United States US Industrials US Aerospace & Defense
12 BWX Technologies, Inc. $13.06 B United States US Industrials US Aerospace & Defense
13 AeroVironment, Inc. $11.23 B United States US Industrials US Aerospace & Defense
14 Huntington Ingalls Industries, Inc. $9.89 B United States US Industrials US Aerospace & Defense
15 Kratos Defense & Security Solutions, Inc. $7.52 B United States US Industrials US Aerospace & Defense
16 Moog Inc. $5.81 B United States US Industrials US Aerospace & Defense
17 Hexcel Corporation $4.61 B United States US Industrials US Aerospace & Defense
18 Spirit AeroSystems Holdings, Inc. $4.54 B United States US Industrials US Aerospace & Defense
19 Aerojet Rocketdyne Holdings, Inc. $4.44 B

(July 1, 2023)

 United States US Industrials US Aerospace & Defense
20 Mercury Systems, Inc. $3.07 B United States US Industrials US Aerospace & Defense
21 VSE Corporation $2.65 B United States US Industrials US Aerospace & Defense
22 AAR Corp. $2.58 B United States US Industrials US Aerospace & Defense
23 Triumph Group, Inc. $2.01 B United States US Industrials US Aerospace & Defense
24 Ducommun Incorporated $1.26 B United States US Industrials US Aerospace & Defense
25 Astronics Corporation $1.16 B United States US Industrials US Aerospace & Defense
26 National Presto Industries, Inc. $774.1 M United States US Industrials US Aerospace & Defense
27 Byrna Technologies, Inc. $752.5 M United States US Industrials US Aerospace & Defense
28 Kaman Corporation $656.4 M

(Jan. 1, 2024)

 United States US Industrials US Aerospace & Defense
29 Sturm, Ruger & Company, Inc. $604.6 M United States US Industrials US Aerospace & Defense
30 Applied Energetics, Inc. $493.4 M United States US Industrials US Aerospace & Defense

Top Aerospace & Defense Companies from the United States as of Jul. 01, 2025

1. RTX Corporation

Company Profile: RTX Corporation
Market Cap (USD): $193.07 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

2. Boeing

Company Profile: The Boeing Company
Market Cap (USD): $159.87 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

3. Lockheed Martin

Company Profile: Lockheed Martin Corporation
Market Cap (USD): $108.37 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

4. TransDigm Group Incorporated

Company Profile: TransDigm Group Incorporated
Market Cap (USD): $84.91 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

5. General Dynamics Corporation

Company Profile: General Dynamics Corporation
Market Cap (USD): $79.11 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

6. Northrop Grumman Corporation

Company Profile: Northrop Grumman Corporation
Market Cap (USD): $71.81 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

7. Axon Enterprise, Inc.

Company Profile: Axon Enterprise, Inc.
Market Cap (USD): $61.96 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

8. L3Harris Technologies, Inc.

Company Profile: L3Harris Technologies, Inc.
Market Cap (USD): $47.40 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

9. HEICO Corporation

Company Profile: HEICO Corporation
Market Cap (USD): $39.21 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

10. Woodward, Inc.

Company Profile: Woodward, Inc.
Market Cap (USD): $15.01 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

11. Textron Inc.

Company Profile: Textron Inc.
Market Cap (USD): $14.85 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

12. BWX Technologies, Inc.

Company Profile: BWX Technologies, Inc.
Market Cap (USD): $13.06 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

13. AeroVironment, Inc.

Company Profile: AeroVironment, Inc.
Market Cap (USD): $11.23 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

14. Huntington Ingalls Industries, Inc.

Company Profile: Huntington Ingalls Industries, Inc.
Market Cap (USD): $9.89 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

15. Kratos Defense & Security Solutions, Inc.

Company Profile: Kratos Defense & Security Solutions, Inc.
Market Cap (USD): $7.52 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

16. Moog Inc.

Company Profile: Moog Inc.
Market Cap (USD): $5.81 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

17. Hexcel Corporation

Company Profile: Hexcel Corporation
Market Cap (USD): $4.61 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

18. Spirit AeroSystems Holdings, Inc.

Company Profile: Spirit AeroSystems Holdings, Inc.
Market Cap (USD): $4.54 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

19. Aerojet Rocketdyne Holdings, Inc.

Company Profile: Aerojet Rocketdyne Holdings, Inc.
Market Cap (USD): $4.44 B (July 1, 2023)
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

20. Mercury Systems, Inc.

Company Profile: Mercury Systems, Inc.
Market Cap (USD): $3.07 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

21. VSE Corporation

Company Profile: VSE Corporation
Market Cap (USD): $2.65 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

22. AAR Corp.

Company Profile: AAR Corp.
Market Cap (USD): $2.58 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

23. Triumph Group, Inc.

Company Profile: Triumph Group, Inc.
Market Cap (USD): $2.01 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

24. Ducommun Incorporated

Company Profile: Ducommun Incorporated
Market Cap (USD): $1.26 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

25. Astronics Corporation

Company Profile: Astronics Corporation
Market Cap (USD): $1.16 B
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

26. National Presto Industries, Inc.

Company Profile: National Presto Industries, Inc.
Market Cap (USD): $774.1 M
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

27. Byrna Technologies, Inc.

Company Profile: Byrna Technologies, Inc.
Market Cap (USD): $752.5 M
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

28. Kaman Corporation

Company Profile: Kaman Corporation
Market Cap (USD): $656.4 M (Jan. 1, 2024)
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

29. Sturm, Ruger & Company, Inc.

Company Profile: Sturm, Ruger & Company, Inc.
Market Cap (USD): $604.6 M
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

30. Applied Energetics, Inc.

Company Profile: Applied Energetics, Inc.
Market Cap (USD): $493.4 M
Country: United States
Sector: US Industrials
Industry: US Aerospace & Defense

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