| Company name | Reg. code |
|---|---|
| D58 SERVICES OÜ | 14574302 |
| M&D SERVICES OÜ | 12874419 |
| R2D2SERVICES OÜ | 12750982 |
| D.I.M. SERVICES OÜ | 12616338 |
| S.K.D TECH SERVICES OÜ kustutatud | 14422650 |
| M.D.A.M. PLUS IT SERVICES OÜ | 16042213 |
| D-SERVICE OÜ | 12887729 |
| D-SHIELD SERVICE OÜ | 16323343 |
| 3D ENERGY SERVICE OÜ | 14321185 |
| D&K SERVICE OÜ kustutatud | 14025423 |
| D&B SERVICE OÜ | 12391263 |
| A.D 24SERVICE OÜ (former name Varmek Trade OÜ) | 14152274 |
| A.S.D.SERVICE OÜ kustutatud | 11647288 |
| 3D ROPE ACCESS SERVICE OÜ (former name TWN Technology OÜ) | 14762439 |
| ELITE L&D SERVICE LIMITED OÜ kustutatud (former name FastPrintAll OÜ) | 14389705 |
| FLUROPOWER OÜ (former name W&D Service OÜ) | 16273160 |
| DAO SERVICES OÜ kustutatud | 12966239 |
| DPO SERVICES OÜ | 16017250 |
| DND SERVICES OÜ (former name Tihke kühm OÜ) | 14717032 |
| DOC SERVICES OÜ | 16720771 |
| DS DIGITAL SERVICES OÜ | 16502583 |
| DIGI SERVICES OÜ | 16623329 |
| DWGM SERVICES OÜ | 16997018 |
| DFIR SERVICES OÜ | 16880173 |
| DECK SERVICES OÜ kustutatud | 12421327 |
| DDN DIGITAL SERVICES OÜ kustutatud | 16634959 |
| DEWIN SERVICES OÜ | 14736503 |
| SERVICES DEPOT OÜ | 16866411 |
| DIP IT SERVICES OÜ (former name FM Tech OÜ) | 14168619 |
| DA&AS SERVICES OÜ kustutatud | 16208174 |
| DAILY SERVICES OÜ kustutatud | 14314529 |
| COMPOTEXA OÜ kustutatud (former name Medical Tech Services OÜ) | 14444108 |
| DELUXE SERVICES OÜ (former name MOTORMAN SERVICE) | 12294337 |
| DELCOM SERVICES OÜ | 10651566 |
| DANTES SERVICES OÜ | 16311877 |
| DC AGRO SERVICES OÜ kustutatud | 16133588 |
| DORPAT SERVICES OÜ | 17291786 |
| DIGI IT SERVICES OÜ | 14599236 |
| FV DATA SERVICES OÜ | 12985863 |
| PÄRNU TEHNOPARK OÜ (former name Markalin Services OÜ) | 14306174 |
| DIKAION SERVICES OÜ | 16391787 |
| DINENGO SERVICES OÜ kustutatud | 14819614 |
| DREAMBA SERVICES OÜ | 14395338 |
| DRISTOR SERVICES OÜ kustutatud | 14638143 |
| DAZMECH SERVICES OÜ | 16715617 |
| HQ DATA & SERVICES OÜ | 17315015 |
| DIGITAL SERVICES OÜ | 14147698 |
| DEXMONT SERVICES OÜ kustutatud | 16041248 |
| RGW DATA SERVICES OÜ | 16973667 |
| DIAMATAC SERVICES OÜ kustutatud | 11409672 |