Headquarters
| General Affairs Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0502 |
| Information System | as above | 81-3-6910-0505 |
| Accounting Dept. | as above | 81-3-6910-0503 |
| Personnel Dept. | as above | 81-3-6910-0504 |
| International Business Development Office | as above | 81-3-6910-0507 |
| Kinokuniya Theater | 3-17-7 Shinjuku, Shinjuku-ku, Tokyo 163-8636 | 81-3-3354-0141 |
| Publishing Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0508 |
Logistics Center | as above | 81-3-6431-8712 |
National Sales Division
Sales Support Division
| Sales Planning Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0510 |
| Invoice Processing Center | as above | 81-6-6910-0511 |
Educational Innovation Sales Division
| Eastern Japan Sales Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0513 |
| Western Japan Sales Dept. | 4-6-23 Hotarugaike-Higashimachi, Toyonaka City, Osaka Pref. 560-0032 | 81-6-6843-0821 |
| Educational Equipment Planning Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0512 |
Library Support & Services Division
| Library Support & Services Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0515 |
| Public Library Dept. | as above | 81-3-6910-0517 |
| West Japan Library Service Dept. | 4-6-23 Hotarugaike-Higashimachi, Toyonaka City, Osaka Pref. 560-0032 | 81-6-6843-0361 |
| Library Service Human Resource Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0515 |
Scholarly Information Marketing & Promotion Division
| Imported Academic Book Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0531 |
| Japanese Academic Book Dept. | as above | 81-3-6910-0533 |
| Journal Dept. | as above | 81-3-6910-0532 |
| Digital Scholarly Resources Dept. | as above | 81-3-6910-0518 |
| ICT Center for Pre-College Education Dept. | as above | 81-3-5719-2501 |
Library Systems＆Education Support Division
| Acquisition Support Systems Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0535 |
| E-Commerce Services Dept. | as above | 81-3-6741-9895 |
| Library Systems Dept. | as above | 81-3-6910-0514 |
| OCLC Center | as above | 81-3-6910-0514 |
| Department of Cataloging Support & Services Cataloging Services Section Digital Content Production Section | as above | 81-3-6741-9886 81-3-6910-0514 |
Academic Textbooks and College Bookstores Division
| Center for Academic Textbooks | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6627-6798 |
| College Bookstores Dept. | as above | 81-6-6741-9841 |
Retail Sales Division
| Electronic-Commerce Div. Net Business Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0541 |
| Electronic-Commerce Div. E-Books Business Dept. | as above | 81-3-6910-0520 |
| Wholesale Dept. | as above | 81-3-6910-0519 |
Retail Sales Promotion Division
| Retail Sales Promotion Dept. | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0509 |
| Brand Business Development Dept. | as above | 81-3-6910-0526 |
| Japanese Books Sales Promotion Dept. | as above | 81-3-6303-9906 |
| DVD/CD Sales Promotion Dept. | as above | 81-3-6910-0543 |
