Group Company
| Maruzen Planet Co., Ltd | |
| Address | Kanda Jimbo-cho Bldg. 2F, Kanda Jimbo-cho 2-17, Chiyoda-ku, Tokyo 101-0051 |
| Representative | Susumu Yasuhira, President and Representative Director |
| Established | December 27, 1988 |
| Paid-in capital | 20 million yen |
| Type of business |
Planning, editing, producing and selling of cooperative Publication of Books (incl. e-Books) and Journals. Copyright clearance of foreign rights Translation of Academic titles. |
| Maruzen CHI Holdings Co.,Ltd | |
| Address | 31-2, Ichigaya-Sanaicho, Shinjuku-ku, Tokyo 162-0846 map |
| Representative | Hidetaka Gomi, President and Representative Director |
| Established | February 1, 2010 |
| Paid-in capital | 3 billion yen |
| ※Maruzen Publishing Co., Ltd. is an operating company of Maruzen CHI Holdings Co., Ltd. | |
| Maruzen-Yushodo Co.,Ltd. | |
| Address | 1-9-18, Kaigan, Minato-ku, Tokyo 105-0022 |
| Representative | Masaya Yano, President |
| Established | January 1, 1869 |
| MaruzenJunkudo Bookstores Co.,Ltd. | |
| Address | 2-3-10, Nihonbashi, Chuo-ku, Tokyo 103-0027 |
| Representative | Hitoshi Nishikawa, President and Representative Director |
| Established | August 2, 2010 |
| TRC Library Service Inc. | |
| Address | 3-1-1, Otsuka, Bunkyo-ku, Tokyo 112-8632 |
| Representative | Ayako Taniichi, President and Representative Director |
| Established | December 20, 1979 |