- Editing, publication and distribution of books for school education.
- Development, production and sales of educational materials,educational tools and educational devices.
- Editing, translation, publication and sales of foreign books.
- Planning, editing, production and sales of publications such as books and dictionaries.
- Planning, editing, production and sales of periodical publications such as magazines.
- Editing, production and sales of government official publications.
- Development, production, sales, lease, rental and export/import of household electrical devices, household light application devices, computers and their software.
- Planning, production and operation of education-related events and acceptance of entrustment of such works.
- Acceptance of entrustment of editing privately-printed books.