| Company Name | Hamaka Corporation |
| Representative Director | Toshio Nishimura |
| Capital stock | 4 million yen |
| Establishment | October 2016 |
| Tokyo Head Office | 2-6-10 Oshiage, Sumida-ku, Tokyo |
| Okinawa Branch Office | 117 Toyohara, Motobu-cho, Kunigami-gun, Okinawa, Japan |
| Correspondent Banks | Tokyo Higashi Shinkin Bank Mizuho Bank Bank of the Ryukyus Koza Shinkin Bank SBI Sumishin Net Bank |
| Switchboard | +81-3-6873-9851 |
| Qualified Business Registration Number | T4010601050604 |
