8 companies · FY2026 results (earnings releases, consolidated)
ENEOS ranks first for revenue in the Energy & Resources industry at ¥11.8T. The top three are ENEOS (¥11.8T), Idemitsu (¥8.1T) and Cosmo Energy (¥2.7T).
Across the 8 companies the average is ¥3.2T and the median ¥1.3T. K&O comes last at ¥91.4B, a gap of about 129x to the leader.
2 of 8 companies are above the average.
Energy & Resources Industry TOP3










Shares 1Y is a closing-price reference (vs. about a year earlier). YoY compares with the previous full-year results.
| Rank | Company | Revenue | Average salary | Operating profit | Operating margin |
|---|---|---|---|---|---|
| 1 | ENEOS5020 | ¥11.8T | ¥11.4M | ¥466.6B | 4.0% |
| 2 | Idemitsu5019 | ¥8.1T | ¥9.94M | ¥212.2B | 2.6% |
| 3 | Cosmo Energy5021 | ¥2.7T | ¥11.5M | ¥144.8B | 5.4% |
| 4 | INPEX1605 | ¥2.0T | ¥11.7M | ¥1.1T | 56.5% |
| 5 | San-Ai Obbli8097 | ¥611.6B | ¥8.23M | ¥12.4B | 2.0% |
| 6 | JAPEX1662 | ¥340.3B | ¥10.3M | ¥38.9B | 11.4% |
| 7 | Nittetsu Mining1515 | ¥209.7B | ¥8.10M | ¥18.8B | 9.0% |
| 8 | K&O1663 | ¥91.4B | ¥7.54M | ¥10.6B | 11.6% |
Revenue and operating profit are from the latest full-year consolidated results. Average salary is for the reporting entity per its annual securities report; pure holding companies with fewer than 50 staff are excluded.