Japan

Top 31 largest Japanese Companies in the Utilities sector by Market Cap

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

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Top Utilities Companies from Japan as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
31 EF-ON, Inc. $46.8 M Japan Japanese Utilities Japanese Utilities—Renewable

Top Utilities Companies from Japan as of Jan. 01, 2026

31. EF-ON, Inc.

Company Profile: EF-ON, Inc.
Market Cap (USD): $46.8 M
Country: Japan
Sector: Japanese Utilities
Industry: Japanese Utilities—Renewable

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