| Company Name | HOSOYAMA NEKKI Co., Ltd. |
| Address | 2-8-7 Kayabacho, Nihonbashi, Chuo-ku, Tokyo, JAPAN |
| Fax | 81-3-3249-0329 |
| info@hosoyama.co.jp | |
| Official Website | www.hosoyama.co.jp |
| Date of Establishment | January 1, 1952 |
| Company Representative | Representative Director and CEO Kinya Hosoyama |
| Capital | 60 billion yen |
| Business Area | Manufacture and sale of gas-storage type hot-water boilers, design and manufacture of various combustion devices |