Japan

Top 82 largest Japanese Companies in the Auto Parts industry by Market Cap

This is the list of the largest public listed companies in the Auto Parts industry from Japan by market capitalization with links to their reference stock.

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Top Auto Parts Companies from Japan as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
1 DENSO Corp $35.34 B Japan Japanese Consumer Discretionary Japanese Auto Parts
2 SMOBY $31.69 B Japan Japanese Consumer Discretionary Japanese Auto Parts
3 Bridgestone Corp $30.74 B Japan Japanese Consumer Discretionary Japanese Auto Parts
4 Sumitomo Electric Industries, Ltd. $30.56 B Japan Japanese Consumer Discretionary Japanese Auto Parts
5 Aisin Seiki Co. Ltd $13.01 B Japan Japanese Consumer Discretionary Japanese Auto Parts
6 NGK Spark Plug Co. Ltd $8.56 B Japan Japanese Consumer Discretionary Japanese Auto Parts
7 The Yokohama Rubber Company Ltd $6.23 B Japan Japanese Consumer Discretionary Japanese Auto Parts
8 Toyo Tire Corp $4.22 B Japan Japanese Consumer Discretionary Japanese Auto Parts
9 Koito Manufacturing Co. Ltd $3.88 B Japan Japanese Consumer Discretionary Japanese Auto Parts
10 Sumitomo Rubber Industries Ltd $3.65 B Japan Japanese Consumer Discretionary Japanese Auto Parts
11 JTEKT Corp $3.45 B Japan Japanese Consumer Discretionary Japanese Auto Parts
12 NHK Spring Co. Ltd $3.30 B Japan Japanese Consumer Discretionary Japanese Auto Parts
13 NOK Corp $2.90 B Japan Japanese Consumer Discretionary Japanese Auto Parts
14 Toyoda Gosei Co. Ltd $2.90 B Japan Japanese Consumer Discretionary Japanese Auto Parts
15 Nifco, Inc. $2.89 B Japan Japanese Consumer Discretionary Japanese Auto Parts
16 NSK Ltd $2.87 B Japan Japanese Consumer Discretionary Japanese Auto Parts
17 Toyota Boshoku Corp $2.76 B Japan Japanese Consumer Discretionary Japanese Auto Parts
18 Stanley Electric Co. Ltd $2.50 B Japan Japanese Consumer Discretionary Japanese Auto Parts
19 Mabuchi Motor Co. Ltd $2.18 B Japan Japanese Consumer Discretionary Japanese Auto Parts
20 Sumitomo Riko Company Ltd $1.72 B Japan Japanese Consumer Discretionary Japanese Auto Parts
21 Tokai Rika Co. Ltd $1.61 B Japan Japanese Consumer Discretionary Japanese Auto Parts
22 TS TECH Co. Ltd $1.36 B Japan Japanese Consumer Discretionary Japanese Auto Parts
23 EXEDY Corp $1.27 B Japan Japanese Consumer Discretionary Japanese Auto Parts
24 KYB Corp $1.25 B Japan Japanese Consumer Discretionary Japanese Auto Parts
25 Musashi Seimitsu Industry Co. Ltd $1.20 B Japan Japanese Consumer Discretionary Japanese Auto Parts
26 Pacific Industrial Co. Ltd $1.16 B Japan Japanese Consumer Discretionary Japanese Auto Parts
27 F.C.C. Co. Ltd $1.07 B Japan Japanese Consumer Discretionary Japanese Auto Parts
28 Aisan Industry Co. Ltd $798.1 M Japan Japanese Consumer Discretionary Japanese Auto Parts
29 Nippon Seiki Co. Ltd $766.9 M Japan Japanese Consumer Discretionary Japanese Auto Parts
30 Topre Corp $723.4 M Japan Japanese Consumer Discretionary Japanese Auto Parts

Top Auto Parts Companies from Japan as of Jan. 01, 2026

1. DENSO Corp

Company Profile: DENSO Corp
Market Cap (USD): $35.34 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

2. SMOBY

Company Profile: SMOBY
Market Cap (USD): $31.69 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

3. Bridgestone Corp

Company Profile: Bridgestone Corp
Market Cap (USD): $30.74 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

4. Sumitomo Electric Industries, Ltd.

Company Profile: Sumitomo Electric Industries, Ltd.
Market Cap (USD): $30.56 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

5. Aisin Seiki Co. Ltd

Company Profile: Aisin Seiki Co. Ltd
Market Cap (USD): $13.01 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

6. NGK Spark Plug Co. Ltd

Company Profile: NGK Spark Plug Co. Ltd
Market Cap (USD): $8.56 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

7. The Yokohama Rubber Company Ltd

Company Profile: The Yokohama Rubber Company Ltd
Market Cap (USD): $6.23 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

8. Toyo Tire Corp

Company Profile: Toyo Tire Corp
Market Cap (USD): $4.22 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

9. Koito Manufacturing Co. Ltd

Company Profile: Koito Manufacturing Co. Ltd
Market Cap (USD): $3.88 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

10. Sumitomo Rubber Industries Ltd

Company Profile: Sumitomo Rubber Industries Ltd
Market Cap (USD): $3.65 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

11. JTEKT Corp

Company Profile: JTEKT Corp
Market Cap (USD): $3.45 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

12. NHK Spring Co. Ltd

Company Profile: NHK Spring Co. Ltd
Market Cap (USD): $3.30 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

13. NOK Corp

Company Profile: NOK Corp
Market Cap (USD): $2.90 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

14. Toyoda Gosei Co. Ltd

Company Profile: Toyoda Gosei Co. Ltd
Market Cap (USD): $2.90 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

15. Nifco, Inc.

Company Profile: Nifco, Inc.
Market Cap (USD): $2.89 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

16. NSK Ltd

Company Profile: NSK Ltd
Market Cap (USD): $2.87 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

17. Toyota Boshoku Corp

Company Profile: Toyota Boshoku Corp
Market Cap (USD): $2.76 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

18. Stanley Electric Co. Ltd

Company Profile: Stanley Electric Co. Ltd
Market Cap (USD): $2.50 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

19. Mabuchi Motor Co. Ltd

Company Profile: Mabuchi Motor Co. Ltd
Market Cap (USD): $2.18 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

20. Sumitomo Riko Company Ltd

Company Profile: Sumitomo Riko Company Ltd
Market Cap (USD): $1.72 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

21. Tokai Rika Co. Ltd

Company Profile: Tokai Rika Co. Ltd
Market Cap (USD): $1.61 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

22. TS TECH Co. Ltd

Company Profile: TS TECH Co. Ltd
Market Cap (USD): $1.36 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

23. EXEDY Corp

Company Profile: EXEDY Corp
Market Cap (USD): $1.27 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

24. KYB Corp

Company Profile: KYB Corp
Market Cap (USD): $1.25 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

25. Musashi Seimitsu Industry Co. Ltd

Company Profile: Musashi Seimitsu Industry Co. Ltd
Market Cap (USD): $1.20 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

26. Pacific Industrial Co. Ltd

Company Profile: Pacific Industrial Co. Ltd
Market Cap (USD): $1.16 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

27. F.C.C. Co. Ltd

Company Profile: F.C.C. Co. Ltd
Market Cap (USD): $1.07 B
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

28. Aisan Industry Co. Ltd

Company Profile: Aisan Industry Co. Ltd
Market Cap (USD): $798.1 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

29. Nippon Seiki Co. Ltd

Company Profile: Nippon Seiki Co. Ltd
Market Cap (USD): $766.9 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

30. Topre Corp

Company Profile: Topre Corp
Market Cap (USD): $723.4 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

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