JSIC 3900—Head offices primarily engaged in managerial operations

Where 3900 sits

1. G Information and communications
2. 39 Information services
3. 390 Establishments engaged in administrative or ancillary economic activities (39 information services)
4. 3900 Head offices primarily engaged in managerial operations

What 3900 includes

• This refers to the establishments, as the head offices primarily engaged in controlling establishments of information services, engaged in the operations except the work-site operations such as managing and controlling operations across the whole organization to promote the management of the own company, Personnel affairs/personnel training, general affairs, financial affairs/accounting, legal affairs, intellectual property management, planning, public information/advertising, investigation/research and development, production/project management, real estate management, information system management, management of equipments and materials, buying/raw materials purchase, service/material procurement.

3900 in other systems