| Company name | Reg. code |
|---|---|
| CELLBES OÜ kustutatud | 10962214 |
| CELLNET OÜ kustutatud | 11427204 |
| CELLNEX ÕIGUSBÜROO OÜ (former name Cellnex Real Estate OÜ) | 11677415 |
| CELLNEX ASSEMBLY OÜ kustutatud (former name Strongholm OÜ) | 12535321 |
| CELLNET BALTIC OÜ | 11561569 |
| CELLNEX GRUPP OÜ | 11167683 |
| ATIKA CELLER OÜ | 14521659 |
| CELLER PROJECT OÜ kustutatud | 10843780 |
| POWERUP FUEL CELLS OÜ | 14110442 |
| ART OF CELLS OÜ kustutatud | 11499907 |
| WELLBEE OÜ | 16701453 |
| BELLES OÜ | 12656473 |
| WELLBED INVEST OÜ kustutatud | 12680187 |
| REALM INVEST 1 OÜ kustutatud (former name Cellnex Finance OÜ) | 14094967 |
| WELLBE GROUP OÜ | 17481831 |
| LES BELLES OÜ kustutatud | 12388067 |
| CALLES GALLOFRE OÜ | 16381725 |
| KINGU MARKUSE OÜ kustutatud (former name Celle One OÜ) | 14134891 |
| REFERENTS MANUFACTURING OÜ (former name PROFITTO GROUP OÜ) | 11962096 |
| NULLUS OÜ kustutatud (former name Pelles ScanTransport OÜ) | 14126727 |