Among the institutions that CESSI maintains an active role, both at the national and international level, include:
In Argentina: the Unión Industrial Argentina (UIA), the Instituto para el Desarrollo Empresarial de la Argentina (IDEA), the Unión Industrial de la Provincia de Buenos Aires (UIPBA) and bi-national chambers.
At the regional level: CESSI works and interacts with regional entities:
Outside Argentina: CESSI, as mentioned before, is a member of the World Information Technology and Services Alliance (WITSA), the Federación Latinoamericana, del Caribe y España de Entidades de Tecnologías de la Información – ALETI (Federation of the Latin American, Carribean and Spain Information Technologies Institutions) and of the Asociación Latinoamericana de Exportadores de Servicios (ALES).