| Teddy Strawberries Productions OÜOÜPrivate limited company | 17314754 | TallinnHarju maakond | 29.08.20250 yrs |
| TEDHAM MEDIA OÜOÜPrivate limited company | 14673719 | TallinnHarju maakond | 04.03.20197 yrs |
| Teesaar OÜOÜPrivate limited company | 17448992 | TallinnHarju maakond | 03.03.20260 yrs |
| Teesalu OÜOÜPrivate limited company | 12694640 | TallinnHarju maakond | 24.07.201412 yrs |
| Tekstibutiik OÜOÜPrivate limited company | 16851378 | TallinnHarju maakond | 31.10.20232 yrs |
| Telereklaami Grupp OÜOÜPrivate limited company | 14865471 | TallinnHarju maakond | 10.12.20196 yrs |
| Telesto Holding OÜOÜPrivate limited company | 17133426 | TallinnHarju maakond | 12.12.20241 yrs |
| TellPlayGrow OÜOÜPrivate limited company | 14586535 | TallinnHarju maakond | 15.10.20187 yrs |
| Tender Homes OÜOÜPrivate limited company | 12942339 | TallinnHarju maakond | 06.11.201510 yrs |
| Tenertesta OÜOÜPrivate limited company | 17378984 | Saku valdHarju maakond | 24.11.20250 yrs |
| Tenkoteam OÜOÜPrivate limited company | 17460668 | Viimsi valdHarju maakond | 17.03.20260 yrs |
| Tenmont OÜOÜPrivate limited company | 12929497 | TallinnHarju maakond | 14.10.201510 yrs |
| Tennis Agency OÜOÜPrivate limited company | 16490549 | Harku valdHarju maakond | 29.04.20224 yrs |
| TERE Tallinn Digital MKT OÜOÜPrivate limited company | 17167879 | TallinnHarju maakond | 31.01.20251 yrs |
| Terkal OÜOÜPrivate limited company | 12249153 | TallinnHarju maakond | 14.03.201214 yrs |
| Tervisejuht OÜOÜPrivate limited company | 12642637 | TallinnHarju maakond | 09.04.201412 yrs |
| Tessera Agency OÜOÜPrivate limited company | 17480843 | TallinnHarju maakond | 10.04.20260 yrs |
| Thames Marketing OÜOÜPrivate limited company | 14990041 | Harku valdHarju maakond | 15.06.20206 yrs |
| THE AGENCY OÜOÜPrivate limited company | 12384106 | TallinnHarju maakond | 26.11.201213 yrs |
| The Baltic Industry Solutions OÜOÜPrivate limited company | 12612872 | Keila linnHarju maakond | 12.02.201412 yrs |
| The Concept OÜOÜPrivate limited company | 14244837 | Harku valdHarju maakond | 21.04.20179 yrs |
| The Copy Alchemist OÜOÜPrivate limited company | 16482076 | TallinnHarju maakond | 18.04.20224 yrs |
| Thefra OÜOÜPrivate limited company | 14994837 | Jõelähtme valdHarju maakond | 22.06.20206 yrs |
| The Funnel Box OÜOÜPrivate limited company | 16721351 | TallinnHarju maakond | 19.04.20233 yrs |
| Thegoodads OÜOÜPrivate limited company | 14610179 | Kuusalu valdHarju maakond | 20.11.20187 yrs |
| The Hive OÜOÜPrivate limited company | 14525580 | TallinnHarju maakond | 13.07.20188 yrs |
| The Hop OÜOÜPrivate limited company | 16839561 | TallinnHarju maakond | 12.10.20232 yrs |
| The House of Legends OÜOÜPrivate limited company | 17232465 | TallinnHarju maakond | 05.05.20251 yrs |
| The KMR Brands OÜOÜPrivate limited company | 16781459 | TallinnHarju maakond | 21.07.20233 yrs |
| The MBB Group OÜOÜPrivate limited company | 12998937 | TallinnHarju maakond | 19.02.201610 yrs |