| Company name | Reg. code |
|---|---|
| "NRT" OÜ (former name NRT) | 10005435 |
| NRT SERVICES OÜ | 17178736 |
| NRT TERITUSPARTNER OÜ | 17300367 |
| NRT REAL ESTATE OÜ kustutatud | 14178457 |
| M.K. RAKENNUS NRT OÜ kustutatud | 14118001 |
| AKSOM ETA OÜ (former name NRT Media OÜ) | 14029220 |
| KSM ESTONIA OÜ (former name NRT Rakennus Ryhmä OÜ) | 14345889 |
| NRTK OÜ kustutatud | 10126201 |
| NRTM OÜ | 17430667 |
| NMT OÜ | 12728592 |
| NNT OÜ | 16607968 |
| NRBT OÜ | 16747356 |
| BRT OÜ | 12704410 |
| NAT20 OÜ | 17157042 |
| 3ART OÜ | 17086566 |
| NKT OÜ | 16028012 |
| CRT 2000 OÜ (former name Larnaka OÜ) | 14445651 |
| ART24 OÜ | 14537117 |
| NRJ OÜ (former name DreamFi OÜ) | 16214631 |
| NRG OÜ | 11943288 |
| NAT1 OÜ kustutatud | 16490733 |
| NRJ OÜ kustutatud | 12054024 |
| NOT OÜ | 12010920 |
| NRJ 888 OÜ (former name Smartunit OÜ) | 14616839 |
| NET24 OÜ kustutatud (former name M-Fassaadid OÜ) | 14323103 |
| NRK OÜ | 16724020 |
| 159ART OÜ | 14905199 |
| NHT OÜ | 14954536 |
| ART OÜ | 12031885 |
| HRT OÜ | 14417407 |
| NAT OÜ | 12132385 |
| NRE OÜ kustutatud | 14392541 |
| NRS OÜ | 14681535 |
| KRT OÜ | 12649651 |
| MALIBONE ART. ROYAL ART COMPANY OÜ kustutatud | 14784608 |
| ART D' ART STRATEGY CONSULTING OÜ | 14479963 |
| NRR CONSULT OÜ | 12699956 |
| NET VARAHALDUS OÜ | 10640444 |
| NRS SCANDINAVIA OÜ (former name Miestic OÜ) | 14372567 |
| NEPPI ART OÜ | 14303313 |
| WINE NOT OÜ | 14150045 |
| NAT PK OÜ | 17339139 |
| NRX.VENTURES OÜ | 16831565 |
| NRD ASSETS OÜ kustutatud | 12732754 |
| NET VENTURES OÜ | 12459979 |
| NET CONSULT OÜ kustutatud | 10468276 |
| NRG WOOD OÜ | 12126255 |
| ART ADVISORY OÜ | 14964500 |
| MRT DISTRIBUTION OÜ kustutatud | 12104650 |
| ART MALEE OÜ kustutatud | 11252578 |