Distinguished Contributors
Organizations and individuals recognized for their contributions to SIR. Names are listed without honorifics and in no particular order.
| Organizations |
| Intepro Co., Ltd. — President Toru Okada (株式会社インテプロ 岡田徹) |
| Fine Co., Ltd. — Founder Yoshimasa Sasaki (株式会社ファイン 佐々木義正) |
| Miharu Seisakusho Co., Ltd. — President 中島史登 |
| Nano Wave Co., Ltd. — President 今井勇次 |
| Oct Co., Ltd. — President 田中好郎 |
| Japan IR Co., Ltd. — Founder and Chairman 矢間伸次 |
| Token Co., Ltd. — Founder 小平学 |
| Digital Data Solution Co., Ltd. — President 三吉野健滋 |
| Aimesoft Joint Stock Company |
| Nagaoya Co., Ltd. — President 長尾憲 |
| Airish Co., Ltd. — President 荒西秀貴 |