| Name | COSMO OIL CO., LTD. |
|---|---|
| Head Office | 1-7-1 Kyobashi, Chuo-ku, Tokyo, Japan 104-8322 |
| President, Representative Director | Katsushi Nishi |
| Established | April 1, 1986 |
| Capital | ¥ 100,000,000 |
| Purpose of Business | Imports and exports, refining, storage, and sales of crude oil and petroleum products, etc. |
| Fiscal Yearend | March 31 |
| Employees | 1,579 (as of March 31, 2026) |
| Refineries | Chiba, Yokkaichi, Sakai |
| Research Institute | RESEARCH & DEVELOPMENT CENTER |
