| J.H.J. plus - AUDIT, spol. s r.o. | |
| Ján Ďuriga | Trenčín |
| Ján Januška | Bratislava |
| JAVI Solutions, s.r.o. | |
| JD Software, s.r.o. | Bratislava |
| JP Design | Žilina |
| Jupo spol. s r.o. | |
| KA-VT, spol. s r.o. | |
| Kainz Service | Bratislava |
| Kamar Software | Bratislava |
| Kamea Electronics s.r.o. | Trnava |
| Kasman.sk | Žilina |
| Katolícka univerzita v Ružomberku | Žilina |
| Kayla, s.r.o. | Prešov |
| Keepi | |
| Kickresume | |
| KIMEA, s.r.o. | Žilina |
| Knoyd | |
| Kontentino | |
| Kontura Slovakia, s.r.o. | |
| KOREX networks | |
| Kosice IT Valley | |
| Krasno Studio, s.r.o. | |
| KRB-Tech, s.r.o. | |
| Krea SK, s.r.o. | Nitra |
| Kremsa | Bratislava |
| Krom-sat, s.r.o. | |
| KROS a.s. | Bratislava |
| Kvant Lasers, s.r.o. | |
| Kyber System | Prešov |
| KYBERNETIKA, s.r.o. | |
| K_Corp, s.r.o. | Košice |
| L222 | Prešov |
| LacneTonery.sk | |
| LaMarvin | Bratislava |
| Lapis IT, s.r.o. | Nitra |
| LASER servis | Bratislava |
| Launcher | |
| LE DESIGN, s.r.o. | Bratislava |
| Lead Media, s.r.o. | |
| LEE.SK, s.r.o. | Bratislava |
| Lekar.sk | Bratislava |
| Lemonweb, s.r.o. | Trnava |
| Les Cigales | Bratislava |
| lesipa, s.r.o. | Žilina |
| Lighting Beetle, s.r.o. | |
| Limerock Advisory, s.r.o. | |
| LittleDot | |
| LiveAgent | |
| LJ Studio, s.r.o. | |