| ASAppel SA LuxembourgMedia & Internet | IT services: consulting, software development, Internet and support | |
| TSTelephonie S.A. LuxembourgTelecommunications | Postal and telecommunications services | |
| HSHOTCITY SA Luxembourg, LuxembourgTelecommunications | IT services: consulting, software development, Internet and support Public Wi-Fi Networks Indoor Networks Mobile Applications | |
| LLuxSpace Betzdorf, LuxembourgResearch & Technology | IT services: consulting, software development, Internet and support Small Satellites Space Systems AIS Data Services | |
| RRSS-Hydro Kayl, LuxembourgResearch & Technology | IT services: consulting, software development, Internet and support Earth Observation Remote Sensing Flood Risk Modeling | |
| RRiaktr Luxembourg, LuxembourgTelecommunications | IT services: consulting, software development, Internet and support Telekommunikation Netzwerk-Optimierung Kundenerlebnis-Management | |
| AIAES International Sarl Grevenmacher, LuxembourgResearch & Technology | IT services: consulting, software development, Internet and support Advanced Engineering Solutions Design & Engineering CAE (Finite Element Analysis) | |
| AGALTUM Geoscience Roodt, LuxembourgResearch & Technology | IT services: consulting, software development, Internet and support Borehole Geophysics Geophysics Consulting Geoscience Services | |
| RRoamsysNext Mertert, LuxembourgTelecommunications | IT services: consulting, software development, Internet and support | |
| LGLëtzebuerger Gemengen Luxembourg, LuxembourgMedia & Internet | Postal and telecommunications services IT services: consulting, software development, Internet and support Actualité Politique Actualité Économique Guide Des Communes | |