EOSC Hub: https://eosc-hub.eu/ 
EOSC-hub brings together multiple service providers to create the Hub: a single contact point for European researchers and innovators to discover, access, use and reuse a broad spectrum of resources for advanced data-driven research.

EOSC Nordic
EOSC-Nordic aims to facilitate the coordination of EOSC relevant initiatives within the Nordic and Baltic countries and exploit synergies to achieve greater harmonisation at policy and service provisioning across these countries, in compliance with EOSC agreed standards and practices.


EOSC-Pillar: https://www.eosc-pillar.eu/
EOSC-Pillar gathers representatives of the fast-growing national initiatives for coordinating data infrastructures and services in Italy, France, Germany, Austria and Belgium.


EOSC Synergy
EOSC Synergy expands the capacity and capabilities of EOSC by leveraging the experience, effort and resources of national publicly-funded digital infrastructures.

EOSC Secretariathttps://www.eoscsecretariat.eu/
EOSC Secretariat delivers 360° support to the EOSC Governance while working openly and inclusively with communities to co-create an all-encompassing European Open Science Cloud. 


ExPaNDS
ExPaNDS is a federation of 10 European national Photon and Neutron research infrastructures, and the e-infrastructure EGI. The goal of the project is to set-up a platform for data analysis, as a service for users from research institutes, universities, industry, etc, thus enabling EOSC services, and providing coherent FAIR data services to the scientific users of PaN sources.

FAIRsFAIRhttps://www.fairsfair.eu/
FAIRsFAIR’s ambition is to assist the European Open Science Cloud (EOSC) governance bodies to deliver FAIR-aligned Rules of Participation in the EOSC. These rules will be designed to establish FAIR compliance of components and practices.

OpenAIRE-Advancehttps://www.openaire.eu/
OpenAIRE-Advance facilitates the move to a more open and reproducible scientific landscape by offering a unique set of services to embed Open Science into researcher workflows to promote opening up, sharing and reusing of research outcomes.