United States

Top 27 largest US Companies in the Security & Protection Services industry by Market Cap

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

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Top Security & Protection Services Companies from the United States as of Jan. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 ADT Inc. $6.59 B United States US Industrials US Security & Protection Services
2 MSA Safety Incorporated $6.48 B United States US Industrials US Security & Protection Services
3 Verra Mobility Corporation $4.36 B United States US Industrials US Security & Protection Services
4 The Brink's Company $4.07 B United States US Industrials US Security & Protection Services
5 Brady Corporation $3.61 B United States US Industrials US Security & Protection Services
6 Resideo Technologies, Inc. $3.49 B United States US Industrials US Security & Protection Services
7 Vivint Smart Home, Inc. $2.55 B

(Jan. 1, 2023)

 United States US Industrials US Security & Protection Services
8 Napco Security Technologies, Inc. $1.35 B United States US Industrials US Security & Protection Services
9 Arlo Technologies, Inc. $1.20 B United States US Industrials US Security & Protection Services
10 Force Protection Video Equipment Corp $453.7 M

(March 1, 2022)

 United States US Industrials US Security & Protection Services
11 NL Industries, Inc. $397.1 M United States US Industrials US Security & Protection Services
12 CompX International Inc. $308.1 M United States US Industrials US Security & Protection Services
13 Mistras Group, Inc. $307.0 M United States US Industrials US Security & Protection Services
14 AFA Protective Systems, Inc. $118.8 M

(Oct. 1, 2021)

 United States US Industrials US Security & Protection Services
15 Risk (GEORGE) Industries, Inc. $83.2 M United States US Industrials US Security & Protection Services
16 BIO-key International, Inc. $5.8 M United States US Industrials US Security & Protection Services
17 FaceKey Corp United States US Industrials US Security & Protection Services
18 MONTAGUE INTERNATIONAL HOLDING Ltd United States US Industrials US Security & Protection Services
19 Message Processing International, Inc. United States US Industrials US Security & Protection Services
20 Nxt-ID, Inc. United States US Industrials US Security & Protection Services
21 View Systems, Inc. United States US Industrials US Security & Protection Services
22 Powerlock International Corp United States US Industrials US Security & Protection Services
23 DirectView Holdings, Inc. United States US Industrials US Security & Protection Services
24 Evolv Technologies Holdings, Inc. United States US Industrials US Security & Protection Services
25 LIGATT Security International, Inc. United States US Industrials US Security & Protection Services
26 Nutech, Inc. United States US Industrials US Security & Protection Services
27 Hawk Systems, Inc. United States US Industrials US Security & Protection Services

Top Security & Protection Services Companies from the United States as of Jan. 01, 2025

1. ADT Inc.

Company Profile: ADT Inc.
Market Cap (USD): $6.59 B
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

2. MSA Safety Incorporated

Company Profile: MSA Safety Incorporated
Market Cap (USD): $6.48 B
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

3. Verra Mobility Corporation

Company Profile: Verra Mobility Corporation
Market Cap (USD): $4.36 B
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

4. The Brink's Company

Company Profile: The Brink's Company
Market Cap (USD): $4.07 B
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

5. Brady Corporation

Company Profile: Brady Corporation
Market Cap (USD): $3.61 B
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

6. Resideo Technologies, Inc.

Company Profile: Resideo Technologies, Inc.
Market Cap (USD): $3.49 B
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

7. Vivint Smart Home, Inc.

Company Profile: Vivint Smart Home, Inc.
Market Cap (USD): $2.55 B (Jan. 1, 2023)
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

8. Napco Security Technologies, Inc.

Company Profile: Napco Security Technologies, Inc.
Market Cap (USD): $1.35 B
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

9. Arlo Technologies, Inc.

Company Profile: Arlo Technologies, Inc.
Market Cap (USD): $1.20 B
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

10. Force Protection Video Equipment Corp

Company Profile: Force Protection Video Equipment Corp
Market Cap (USD): $453.7 M (March 1, 2022)
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

11. NL Industries, Inc.

Company Profile: NL Industries, Inc.
Market Cap (USD): $397.1 M
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

12. CompX International Inc.

Company Profile: CompX International Inc.
Market Cap (USD): $308.1 M
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

13. Mistras Group, Inc.

Company Profile: Mistras Group, Inc.
Market Cap (USD): $307.0 M
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

14. AFA Protective Systems, Inc.

Company Profile: AFA Protective Systems, Inc.
Market Cap (USD): $118.8 M (Oct. 1, 2021)
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

15. Risk (GEORGE) Industries, Inc.

Company Profile: Risk (GEORGE) Industries, Inc.
Market Cap (USD): $83.2 M
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

16. BIO-key International, Inc.

Company Profile: BIO-key International, Inc.
Market Cap (USD): $5.8 M
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

17. FaceKey Corp

Company Profile: FaceKey Corp
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

18. MONTAGUE INTERNATIONAL HOLDING Ltd

Company Profile: MONTAGUE INTERNATIONAL HOLDING Ltd
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

19. Message Processing International, Inc.

Company Profile: Message Processing International, Inc.
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

20. Nxt-ID, Inc.

Company Profile: Nxt-ID, Inc.
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

21. View Systems, Inc.

Company Profile: View Systems, Inc.
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

22. Powerlock International Corp

Company Profile: Powerlock International Corp
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

23. DirectView Holdings, Inc.

Company Profile: DirectView Holdings, Inc.
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

24. Evolv Technologies Holdings, Inc.

Company Profile: Evolv Technologies Holdings, Inc.
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

25. LIGATT Security International, Inc.

Company Profile: LIGATT Security International, Inc.
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

26. Nutech, Inc.

Company Profile: Nutech, Inc.
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

27. Hawk Systems, Inc.

Company Profile: Hawk Systems, Inc.
Country: United States
Sector: US Industrials
Industry: US Security & Protection Services

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