Idemitsu Kosan Co.,Ltd. (TYO:5019)

Idemitsu Kosan Revenue

Idemitsu Kosan had revenue of 2.27T JPY in the quarter ending June 30, 2026, with 23.26% growth. This brings the company's total for the last twelve months to 8.54T, down -2.63% year-over-year. In the fiscal year ending March 31, 2026, Idemitsu Kosan had annual revenue of 8.11T, down -11.80%. That makes Idemitsu Kosan the 236th largest company in the world by revenue and 18th in Japan.

• Revenue (ttm): 8.54T
• Revenue Growth: -2.63%
• P/S Ratio: 0.20
• Revenue / Employee: 593.52M
• Employees: 14,392
• Market Cap: 1.71T

Revenue Chart

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Revenue by Segment

By Segment

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• Petroleum 6.81T 83.4%
• Functional Materials 526.88B 6.5%
• Basic Chemicals 500.69B 6.1%
• Resources 203.50B 2.5%
• Power and Renewable Energy 100.58B 1.2%
• Other 24.12B 0.3%

By Geography

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• Japan 5.56T 68.6%
• Asia/Oceania 896.61B 11.1%
• Singapore 827.00B 10.2%
• North America 711.67B 8.8%
• Others 113.36B 1.4%

Fiscal year ended Mar 31, 2026 See the full Idemitsu Kosan breakdown

Revenue History

Fiscal Year End	Revenue	Change	Growth
Mar 31, 2026	8.11T	-1.08T	-11.80%
Mar 31, 2025	9.19T	471.02B	5.40%
Mar 31, 2024	8.72T	-737.08B	-7.79%
Mar 31, 2023	9.46T	2.77T	41.42%
Mar 31, 2022	6.69T	2.13T	46.75%

Data Source: S&P Global Market Intelligence Last updated: Aug 7, 2026

Revenue data is provided by S&P Global Market Intelligence and updates within hours after each earnings release, which is every three months for this company.

Update frequency:

Quarterly

Last checked:

Nov 2, 2026

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