Headquarters
Corporate Administration Division
| Secretarial Office | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0501 |
| Corporate Strategy Office | as above | 81-3-6910-0501 |
| Information System Department | as above | 81-3-6910-0505 |
| Human Resources ＆ General Affairs Department | as above | 81-3-6910-0502・0504 |
| Accounting ＆ Finance Department | as above | 81-3-6910-0503 |
| Internal Audit Office | as above | 81-3-6910-0506 |
| International Business Development Office | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0507 |
| Kinokuniya Theater | 3-17-7 Shinjuku, Shinjuku-ku, Tokyo 163-8636 | 81-3-3354-0141 |
| Publishing Department | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0508 |
Wholesale Department | as above | 81-3-6910-0519 |
National Sales Division
Sales Support Division
| Sales Planning Department | 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 Department | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0513 |
| Western Japan Sales Department | 4-6-23 Hotarugaike-Higashimachi, Toyonaka City, Osaka Pref. 560-0032 | 81-6-6843-0821 |
| Educational Equipment Planning Department | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0512 |
Library Support & Services Division
| Library Support & Services Department | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0515 |
| Public Library Department | as above | 81-3-6910-0517 |
| West Japan Library Service Department | 4-6-23 Hotarugaike-Higashimachi, Toyonaka City, Osaka Pref. 560-0032 | 81-6-6843-0361 |
| Library Service Human Resource Department | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0515 |
Library Systems＆Education Support Division
| Acquisition Support Systems Department | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0535 |
| E-Commerce Services Department | as above | 81-3-6741-9895 |
| Library Systems Department | as above | 81-3-6910-0514 |
| OCLC Center | as above | 81-3-6910-0514 |
| Department of Cataloging Support & Services | as above | 81-3-6741-9886 |
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 Department | as above | 81-6-6741-9841 |
Digital Resources & Distribution Division
| Imported Academic Book Department | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0531 |
| Japanese Academic Book Department | as above | 81-3-6910-0533 |
| Journal Department | as above | 81-3-6910-0532 |
| Digital Scholarly Resources Department | as above | 81-3-6910-0518 |
| Logistics Center | as above | 81-3-6431-8712 |
Retail Sales Division
| Electronic-Commerce Div. Net Business Department | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0541 |
| Electronic-Commerce Div. E-Books Business Department | as above | 81-3-6910-0520 |
Retail Sales Promotion Division
| Retail Sales Promotion Department | 3-7-10 Shimomeguro Meguro-ku, Tokyo 153-8504 | 81-3-6910-0509 |
| Brand Business Strategy Department | as above | 81-3-6910-0526 |
| Japanese Books Sales Promotion Department | as above | 81-3-6303-9906 |
| CD/DVD Sales Promotion Department | as above | 81-3-6910-0543 |
