Japan

Top 11 largest Japanese 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 Japan by market capitalization with links to their reference stock.

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Top Security & Protection Services Companies from Japan as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
1 Secom Co Ltd $13.65 B Japan Japanese Industrials Japanese Security & Protection Services
2 Sohgo Security Services Co.,Ltd. $3.80 B Japan Japanese Industrials Japanese Security & Protection Services
3 Nohmi Bosai Ltd $1.37 B Japan Japanese Industrials Japanese Security & Protection Services
4 Riken Keiki Co. Ltd $949.9 M Japan Japanese Industrials Japanese Security & Protection Services
5 Secom Joshinetsu Co. Ltd $707.5 M

(Oct. 1, 2021)

 Japan Japanese Industrials Japanese Security & Protection Services
6 Hochiki Corp $676.8 M Japan Japanese Industrials Japanese Security & Protection Services
7 Nippon Dry-Chemical Co. Ltd $391.0 M Japan Japanese Industrials Japanese Security & Protection Services
8 Central Security Patrols Co. Ltd $258.9 M Japan Japanese Industrials Japanese Security & Protection Services
9 Toyo Tec Co. Ltd $104.6 M Japan Japanese Industrials Japanese Security & Protection Services
10 Fenwal Controls of Japan Ltd $64.2 M Japan Japanese Industrials Japanese Security & Protection Services
11 Shigematsu Works Co. Ltd $35.7 M Japan Japanese Industrials Japanese Security & Protection Services

Top Security & Protection Services Companies from Japan as of Jan. 01, 2026

1. Secom Co Ltd

Company Profile: Secom Co Ltd
Market Cap (USD): $13.65 B
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

2. Sohgo Security Services Co.,Ltd.

Company Profile: Sohgo Security Services Co.,Ltd.
Market Cap (USD): $3.80 B
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

3. Nohmi Bosai Ltd

Company Profile: Nohmi Bosai Ltd
Market Cap (USD): $1.37 B
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

4. Riken Keiki Co. Ltd

Company Profile: Riken Keiki Co. Ltd
Market Cap (USD): $949.9 M
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

5. Secom Joshinetsu Co. Ltd

Company Profile: Secom Joshinetsu Co. Ltd
Market Cap (USD): $707.5 M (Oct. 1, 2021)
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

6. Hochiki Corp

Company Profile: Hochiki Corp
Market Cap (USD): $676.8 M
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

7. Nippon Dry-Chemical Co. Ltd

Company Profile: Nippon Dry-Chemical Co. Ltd
Market Cap (USD): $391.0 M
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

8. Central Security Patrols Co. Ltd

Company Profile: Central Security Patrols Co. Ltd
Market Cap (USD): $258.9 M
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

9. Toyo Tec Co. Ltd

Company Profile: Toyo Tec Co. Ltd
Market Cap (USD): $104.6 M
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

10. Fenwal Controls of Japan Ltd

Company Profile: Fenwal Controls of Japan Ltd
Market Cap (USD): $64.2 M
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

11. Shigematsu Works Co. Ltd

Company Profile: Shigematsu Works Co. Ltd
Market Cap (USD): $35.7 M
Country: Japan
Sector: Japanese Industrials
Industry: Japanese Security & Protection Services

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