| Company Code | Company Name | Details |
|---|---|---|
| j-base, Inc. | Construction | Non-listed | Miyagi | Official Site | |
| IRIS OHYAMA | Other Manufacturing Sectors | Non-listed | Miyagi | Official Site | |
| Optrom, Inc. | Other Manufacturing Sectors | Non-listed | Miyagi | Official Site | |
| Miyagi Prefectural Government | 地方自治体 | Non-listed | Miyagi | Official Site | |
| Keiozu Holdings Co. | Media & Telecoms | Non-listed | Miyagi | Official Site | |
| TTK Co., Ltd. | Construction | Non-listed | Miyagi | Official Site | |
| Toyo Knife co., Ltd. | Metal Products | Non-listed | Miyagi | Official Site |