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
61 Ashimori Industry Co. Ltd $157.7 M Japan Japanese Consumer Discretionary Japanese Auto Parts
62 SPK Corp $152.4 M Japan Japanese Consumer Discretionary Japanese Auto Parts
63 Yorozu Corp $150.4 M Japan Japanese Consumer Discretionary Japanese Auto Parts
64 Nittan Valve Co. Ltd $130.5 M Japan Japanese Consumer Discretionary Japanese Auto Parts
65 Taiho Kogyo Co. Ltd $123.2 M Japan Japanese Consumer Discretionary Japanese Auto Parts
66 Trinity Industrial Corp $118.8 M Japan Japanese Consumer Discretionary Japanese Auto Parts
67 Imasen Electric Industrial Co. Ltd $114.2 M Japan Japanese Consumer Discretionary Japanese Auto Parts
68 Univance Corp $113.2 M Japan Japanese Consumer Discretionary Japanese Auto Parts
69 Fuji Oozx, Inc. $111.2 M Japan Japanese Consumer Discretionary Japanese Auto Parts
70 Nippon Piston Ring Co. Ltd $90.4 M

(July 1, 2023)

 Japan Japanese Consumer Discretionary Japanese Auto Parts
71 F-Tech, Inc. $87.1 M Japan Japanese Consumer Discretionary Japanese Auto Parts
72 Nippon Gear Co. Ltd $83.8 M Japan Japanese Consumer Discretionary Japanese Auto Parts
73 Mikuni Corp $76.8 M Japan Japanese Consumer Discretionary Japanese Auto Parts
74 Tanaka Seimitsu Kogyo Co. Ltd $73.1 M Japan Japanese Consumer Discretionary Japanese Auto Parts
75 ALPHA Corp $71.5 M Japan Japanese Consumer Discretionary Japanese Auto Parts
76 TBK Co. Ltd $64.9 M Japan Japanese Consumer Discretionary Japanese Auto Parts
77 Weds Co. Ltd $64.6 M Japan Japanese Consumer Discretionary Japanese Auto Parts
78 Daytona Corp $61.4 M Japan Japanese Consumer Discretionary Japanese Auto Parts
79 Nihon Plast Co. Ltd $49.5 M Japan Japanese Consumer Discretionary Japanese Auto Parts
80 Muro Corp $49.4 M Japan Japanese Consumer Discretionary Japanese Auto Parts
81 Kasai Kogyo Co. Ltd $29.1 M Japan Japanese Consumer Discretionary Japanese Auto Parts
82 Tensho Electric Industries Co. Ltd $28.7 M Japan Japanese Consumer Discretionary Japanese Auto Parts

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

61. Ashimori Industry Co. Ltd

Company Profile: Ashimori Industry Co. Ltd
Market Cap (USD): $157.7 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

62. SPK Corp

Company Profile: SPK Corp
Market Cap (USD): $152.4 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

63. Yorozu Corp

Company Profile: Yorozu Corp
Market Cap (USD): $150.4 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

64. Nittan Valve Co. Ltd

Company Profile: Nittan Valve Co. Ltd
Market Cap (USD): $130.5 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

65. Taiho Kogyo Co. Ltd

Company Profile: Taiho Kogyo Co. Ltd
Market Cap (USD): $123.2 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

66. Trinity Industrial Corp

Company Profile: Trinity Industrial Corp
Market Cap (USD): $118.8 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

67. Imasen Electric Industrial Co. Ltd

Company Profile: Imasen Electric Industrial Co. Ltd
Market Cap (USD): $114.2 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

68. Univance Corp

Company Profile: Univance Corp
Market Cap (USD): $113.2 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

69. Fuji Oozx, Inc.

Company Profile: Fuji Oozx, Inc.
Market Cap (USD): $111.2 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

70. Nippon Piston Ring Co. Ltd

Company Profile: Nippon Piston Ring Co. Ltd
Market Cap (USD): $90.4 M (July 1, 2023)
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

71. F-Tech, Inc.

Company Profile: F-Tech, Inc.
Market Cap (USD): $87.1 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

72. Nippon Gear Co. Ltd

Company Profile: Nippon Gear Co. Ltd
Market Cap (USD): $83.8 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

73. Mikuni Corp

Company Profile: Mikuni Corp
Market Cap (USD): $76.8 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

74. Tanaka Seimitsu Kogyo Co. Ltd

Company Profile: Tanaka Seimitsu Kogyo Co. Ltd
Market Cap (USD): $73.1 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

75. ALPHA Corp

Company Profile: ALPHA Corp
Market Cap (USD): $71.5 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

76. TBK Co. Ltd

Company Profile: TBK Co. Ltd
Market Cap (USD): $64.9 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

77. Weds Co. Ltd

Company Profile: Weds Co. Ltd
Market Cap (USD): $64.6 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

78. Daytona Corp

Company Profile: Daytona Corp
Market Cap (USD): $61.4 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

79. Nihon Plast Co. Ltd

Company Profile: Nihon Plast Co. Ltd
Market Cap (USD): $49.5 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

80. Muro Corp

Company Profile: Muro Corp
Market Cap (USD): $49.4 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

81. Kasai Kogyo Co. Ltd

Company Profile: Kasai Kogyo Co. Ltd
Market Cap (USD): $29.1 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

82. Tensho Electric Industries Co. Ltd

Company Profile: Tensho Electric Industries Co. Ltd
Market Cap (USD): $28.7 M
Country: Japan
Sector: Japanese Consumer Discretionary
Industry: Japanese Auto Parts

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