| The Kyiv Independent | |
| The Layout | |
| The Owners Group | |
| The Secret Circle Solutions | |
| theMakeApp | |
| ThePHPGuys | Kiev |
| TheRaven | |
| Thyrol | |
| ticketsell | Kiev |
| TMSoft Ltd | Kiev |
| Tod's Blog | Kiev |
| Toka | |
| ToniKa Design Studio | Vinnytsia |
| Topes | |
| TopWords - мобильный портал | Kiev |
| Total Commander UA | Kiev |
| Trendline | Kiev |
| Triffle.Net | Dnipropetrovsk |
| Trilogic net | Kiev |
| Tritel Ltd | |
| TrueCafe Ltd | Kharkiv |
| Trust Sourcing | Kiev |
| Trustech | |
| tTravel | |
| Tubik | |
| TutHost | Kiev |
| TvoyHosting | Kiev |
| Twin Win Games, LLC | |
| TYPO3 Блог | Kiev |
| UA Tech Network | |
| UAATEAM | Kharkiv |
| UAdomen | Kharkiv |
| UAHosting | Kiev |
| UAIT | |
| UAITLAB | |
| Uamaster | Kiev |
| UAPLAY.com | Zaporizhzhia |
| UaStar | Dnipropetrovsk |
| uaToken | Kiev |
| UAtrade.net | Odessa |
| uCoz Web Services | Kiev |
| Ucrf.com.ua | Kiev |
| UDS Systems | |
| UDTech | |
| UFO Engineering | Odessa |
| UHost.com.ua | Kiev |
| UJ-Media | Kiev |
| UKIEPRO | Lviv |
| Ukraine Tech | |
| UkraineInvest | |