| MMobiletech Bratislava, SlovakiaTelecommunications | Postal and telecommunications services IT services: consulting, software development, Internet and support | |
| RRadiolan Bratislava, SlovakiaTelecommunications | Postal and telecommunications services IT services: consulting, software development, Internet and support | |
| RTRubint Technologies Bernolákovo, SlovakiaResearch & Technology | IT services: consulting, software development, Internet and support Neobvyklé Merania Štrukturálne Inžinierstvo Robotika | |
| SSSMER sro Bratislava, SlovakiaMedia & Internet | IT services: consulting, software development, Internet and support Doména Predaj Webové Stránky | |
| FEFiiHaa Engineering Bratislava, SlovakiaResearch & Technology | IT services: consulting, software development, Internet and support Industriálne Autonómne Systémy UAV BDC-X8 | |
| SSSITEL Slovakia Košice, SlovakiaTelecommunications | Construction work Postal and telecommunications services Telekomunikačné Riešenia Výstavba Telekomunikácií Správa Sietí | |
| SSEGRON Bratislava, SlovakiaTelecommunications | IT services: consulting, software development, Internet and support Automatizované Testovanie Aktívne Testovanie Testovanie Reálnych Zariadení | |
| SSWEET.TV Bratislava, SlovakiaMedia & Internet | Postal and telecommunications services IT services: consulting, software development, Internet and support | |
| DADanubiaTel, a.s., Bratislava, SlovakiaTelecommunications | Postal and telecommunications services IT services: consulting, software development, Internet and support Telekomunikačné Služby Projekty Systémovej Integrácie Telekomunikácie | |
| | IT services: consulting, software development, Internet and support | |