名称 | 标题 | 任期 | 年龄 |
|---|---|---|---|
| Keiko Kato | President & Representative Director | 2019 | 56 |
| Kiyohiko Suzuki | GM of Business Division & Director | 2019 | 53 |
| Hiroyuki Kumagai | Senior MD & Director | 2010 | 66 |
| Hiroaki Takada | GM of Corporate Planning Department & Director | 2007 | 58 |
| Atsushi Suzuki | President & Representative Director of Enshu Crushed Stone Co., Ltd. | - | - |
| Eiko Kumakiri | President & Representative Director of Midac Liner Co., Ltd. | - | - |
| Kazutoshi Sugimoto | President & Representative Director of Midac Konan Co., Ltd. | - | - |
| Kazutaka Yoshitani | President & Representative Director of Sanko Co., Ltd. | - | - |
| Yoshitake Kawakami | Director | 2023 | 68 |
| Shinji Ishikawa | Independent Outside Director | 2019 | 60 |
| Koho Takeda | Director | 2006 | 59 |
| Tetsuya Okugawa | Independent Outside Director | 2021 | 64 |
| Hatsuo Hyouyama | Independent Outside Director | 2022 | 75 |
| Atsuo Inukai | Alternate Director | - | 51 |
| Takehiro Koiso | Director of Friend Sanitary Co., Ltd. | - | - |