| The Blue Box | |
| The eagle group | Buenos Aires |
| The Fresh Agency | Buenos Aires |
| The Idea Workshop | Buenos Aires |
| THH Technology | Buenos Aires |
| Thinksoft Argentina, S.A. | Buenos Aires |
| Tienda Nube | Buenos Aires |
| Tinka Lawinka | |
| Tips Salud | Córdoba |
| Tiza y Pc | Buenos Aires |
| Todo10 | Santa Fe |
| TogetherDevs | |
| Tokioba | Buenos Aires |
| Tormenta | Buenos Aires |
| TornadoStore | Buenos Aires |
| Tower | Santa Fe |
| Trade IT | Buenos Aires |
| Tranders | Buenos Aires |
| Transalud | Buenos Aires |
| Transdatos S.A. | Santa Fe |
| Tree | Buenos Aires |
| Tres Focos | Córdoba |
| Tres ideas | Santa Fe |
| Trial Virtual Design | Buenos Aires |
| Tribytes | Buenos Aires |
| Trilogic | Rio Negro |
| Trimix | Córdoba |
| Triple W | Buenos Aires |
| Triptongo | Santa Fe |
| Troop | Buenos Aires |
| Truelogic Software | Buenos Aires |
| Truly Remote | |
| TSWHost | Buenos Aires |
| Tuba Tech | Buenos Aires |
| TuLocutorio | Buenos Aires |
| Tumaletin.com | Buenos Aires |
| Tupaca | |
| TuxGuitar | Buenos Aires |
| Tycon S.A. | Córdoba |
| TyN Latinoamérica | Buenos Aires |
| U y R Consultores | Buenos Aires |
| Ucables | Córdoba |
| UdeMM Universidad Privada | Buenos Aires |
| UFLO Universidad | Buenos Aires |
| Ukelele | Buenos Aires |
| Ulanosky Software | Santa Fe |
| Ultramar Estudio | Córdoba |
| Umaloop | Buenos Aires |
| UMX | Buenos Aires |
| Unión Matemática Argentina | Buenos Aires |