— CENTR (Council for European National Top Level domain Registries Association);
— RIPE (Reseaux IP Europeens) reprezentand registrul local de asignare adrese IP la utilizatorii de Internet din Romania;
— CEENet (Central and Eastern European Networking) Association;
— TERENA (TransEuropean Research and Education Networking Association);
— ANISP (Asociatia Nationala a Internet Service Providerilor din Romania);
— ARIES (Asociatia Romana pentru Industria Electronica si Software);
— ITS-Romania (Asociatia Sisteme Inteligente de Transport).

Specialistii din ICI sunt afiliati sau sunt membri:
— in tara la: Academia Romana, Fundatia pentru promovarea Calitatii, AGINFOR, AGER, DECUS Romania, ROMSIM, IEEE Romania, NMO - IFAC, ASRO, SRIM, ARMEDD, ITS Romania, ACM/SIGCHI - Romania, European IST, CEEC IST NET etc.;
— in strainatate la: ABI (American, Biographical Institute), COST, International Solar Energy Society, ISTC (Working Party Meeting on Health Care and Persons with Special Needs), EIS, SIAM, SuGAR (SPICE User Group), INTIF, ADBS, ISOC, IFAC, ISTAG, DECUS, IEEE, ACM, EUROSIM, EUROSIS, WSEAS (World Scientific and Engineering Academy and Society), Reteaua Petri, ARMIE (Alliance of Regional Maritime Interests in Europe), ISTC Transporting Working Party, Comitete Tehnice Internationale de Standardizare (ISO-JTC1, ISO-GII) etc.