Participants in SDI (SDI stakeholders and users) can be defined as all those who are in some way involved in the establishment, maintenance, and development of SDI, from users, producers to providers of additional services related to spatial data. The educational sector also plays a significant role in disseminating and improving knowledge, as well as in educating young professionals. Data providers are all those who collect and provide spatial data for public use. Data providers describe the data (type of data, data owner or responsible person, data access conditions, etc.) and publish them on the appropriate public portal. Then, they harmonize the data with accepted standards and establish mechanisms (services) for sharing them with users.

The successful implementation of all other SDI components depends on the knowledge and skills of all participants involved in building SDI, which is why it is important to pay special attention to the development of human capacities and fostering collaboration.