| Firm / Company | Kumagai Gumi Co., Ltd. | |
| Mr/Mrs Salutation MI | Mr. Hiroaki | |
| Last Name / Suffix | Isozaki | |
| Title | General Manager | |
| Main Phone/Extention | ||
| Direct Phone | ||
| Mobile Phone | ||
| Internatioinal Phone | (03) 3235-6686 | |
| Internatioinal Fax | (03) 3260-8306 | |
| Fax | ||
| hisozaki@ku.kumagaigumi.co.jp | ||
| Mailing Name | Hiroaki Isozaki | |
| Website Address | ||
| Assistant Name | ||
| Assistant Phone/Extension | ||
| Assistant Email | ||
| Address 1 | 2-1 Tsukudo-Cho | |
| Address 2 | Shinjuku-Ku | |
| City | Tokyo | |
| State | Tokyo | |
| Zip | 162-8557 | |
| Country | Japan | |