| Company name | Reg. code |
|---|---|
| ISORA OÜ | 17464703 |
| ISORAL OÜ kustutatud | 12475412 |
| ISOLA OÜ | 16825464 |
| ISOLA INVEST OÜ | 16428846 |
| IKSORA OÜ | 11608584 |
| IVORA OÜ kustutatud | 11007427 |
| ISKORA OÜ kustutatud | 12363073 |
| ISKRA OÜ | 16865251 |
| SIORA OÜ | 17340869 |
| ISKRA INVESTEERINGUD OÜ | 10655498 |
| ILORA TRADING OÜ | 14133512 |
| ISKRA MEDICAL OÜ | 14119526 |
| WISORA SOFTWARE OÜ | 14046164 |
| ISKRA SERVICES OÜ kustutatud | 12853966 |
| ASORA INVESTEERINGUD OÜ (former name Asora Investeeringud UÜ) | 12954609 |
| ASORA METS OÜ (former name Asora Metsatööd UÜ) | 14752293 |
| TISORA STUDIO OÜ | 16257474 |
| ISTRA GRUPP OÜ kustutatud | 12091383 |
| STUDIO ISKRA OÜ | 12940300 |
| IXORA CAPITAL OÜ kustutatud | 16283968 |
| IXORA PROJEKT OÜ kustutatud | 12033758 |
| ISTRA GROUP OÜ | 17165455 |
| ASORA INVESTMENT OÜ (former name Asora Investment UÜ) | 16004483 |
| TA SORA OÜ kustutatud | 12596529 |
| KK SORA OÜ | 14838994 |
| ISRA TRANSPORT OÜ | 14230264 |
| SORA ADVISORY SERVICES OÜ kustutatud | 12818906 |
| A2 IT ELEMENT OÜ (former name Iskra agency OÜ) | 16319376 |
| KULESABALETE BRUNADERLA OÜ (former name Istra Elekter OÜ) | 14776827 |