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| dandacyber OÜOÜPrivate limited company | 17531084 | TallinnHarju maakond | 15.06.20260 yrs |
| Danhence OÜOÜPrivate limited company | 17437474 | TallinnHarju maakond | 16.02.20260 yrs |
| Daniil SchmetzkeFIESole trader | 17176080 | TallinnHarju maakond | 12.02.20251 yrs |
| Dark Plum OÜOÜPrivate limited company | 17276893 | Viimsi valdHarju maakond | 07.07.20251 yrs |
| Dark Proger OÜOÜPrivate limited company | 16346670 | TallinnHarju maakond | 20.10.20214 yrs |
| DataCoaches OÜOÜPrivate limited company | 17341716 | TallinnHarju maakond | 03.10.20250 yrs |
| DataCumulus OÜOÜPrivate limited company | 14424657 | TallinnHarju maakond | 07.02.20188 yrs |
| DataDendrite OÜOÜPrivate limited company | 16958024 | Viimsi valdHarju maakond | 03.04.20242 yrs |
| Dataexpress OÜOÜPrivate limited company | 11297204 | TallinnHarju maakond | 11.09.200619 yrs |
| DataFit OÜOÜPrivate limited company | 16587378 | TallinnHarju maakond | 06.10.20223 yrs |
| dataforte OÜOÜPrivate limited company | 17049950 | TallinnHarju maakond | 16.08.20241 yrs |
| Datakir OÜOÜPrivate limited company | 16107728 | TallinnHarju maakond | 26.11.20205 yrs |
| Datalight OÜOÜPrivate limited company | 16947240 | TallinnHarju maakond | 20.03.20242 yrs |
| Dataluks OÜOÜPrivate limited company | 16030233 | TallinnHarju maakond | 17.08.20205 yrs |
| DATALYZE OÜOÜPrivate limited company | 14575035 | Rae valdHarju maakond | 26.09.20187 yrs |
| Datamarts OÜOÜPrivate limited company | 17566527 | TallinnHarju maakond | 03.08.20260 yrs |
| Datami OÜOÜPrivate limited company | 16200310 | TallinnHarju maakond | 06.04.20215 yrs |
| Datamus OÜOÜPrivate limited company | 16933248 | TallinnHarju maakond | 01.03.20242 yrs |
| datanini OÜOÜPrivate limited company | 17279302 | TallinnHarju maakond | 09.07.20251 yrs |
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| Datarob OÜOÜPrivate limited company | 16078197 | TallinnHarju maakond | 16.10.20205 yrs |
| Datascope OÜOÜPrivate limited company | 17227089 | TallinnHarju maakond | 25.04.20251 yrs |
| Data Shark OÜOÜPrivate limited company | 11012377 | TallinnHarju maakond | 27.01.200422 yrs |
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| Datmentis OÜOÜPrivate limited company | 17277881 | TallinnHarju maakond | 08.07.20251 yrs |
| DAViT Finance OÜOÜPrivate limited company | 17413605 | TallinnHarju maakond | 15.01.20260 yrs |