| Company name | Reg. code |
|---|---|
| NTR OÜ | 12945148 |
| NTROADS OÜ | 14320292 |
| NTREND CAKE OÜ | 16150821 |
| NTROFINVEST OÜ | 16716781 |
| LTR OÜ | 14112694 |
| NBR OÜ | 17422685 |
| CNTR OÜ | 17341202 |
| MTR OÜ | 12133864 |
| NTK OÜ kustutatud | 12217911 |
| NTT OÜ | 10045593 |
| KTR OÜ | 16358198 |
| NTC OÜ kustutatud (former name Nordic Transport Chemicals OÜ) | 12407942 |
| NTS OÜ | 11321612 |
| NXR OÜ | 12957281 |
| GTR OÜ | 11431625 |
| ITR OÜ | 16801860 |
| NTB OÜ | 16206258 |
| "NRT" OÜ (former name NRT) | 10005435 |
| ETR OÜ | 16507511 |
| NVR OÜ | 17059397 |
| ATR OÜ | 12072200 |
| BTR90 OÜ | 16714768 |
| NSR OÜ | 14114167 |
| FTR OÜ | 12305325 |
| NRR CONSULT OÜ | 12699956 |
| NTE VARAHALDUS OÜ | 14050496 |
| MTR MARINE OÜ | 14002132 |
| EDITIONS ATR OÜ kustutatud | 16256569 |
| NTE CAPITAL OÜ | 16572224 |
| ITR INVEST OÜ kustutatud | 14288855 |
| MTR HOLDING OÜ (former name Mugatu OÜ) | 12356156 |
| FTR CAPITAL OÜ kustutatud | 16840469 |
| KTR INVEST OÜ kustutatud | 16309515 |
| NSR LOGISTICS OÜ kustutatud | 14089297 |
| NTL SPED OÜ (former name Nova T&L OÜ) | 16328197 |
| ITR MAJATEHNIKA OÜ | 14598260 |
| DTR AQUA OÜ kustutatud | 16099779 |
| NTG BUSINESS OÜ kustutatud | 12083540 |
| NTM TARTU OÜ kustutatud | 10609133 |
| NUR LEGAL OÜ | 17142784 |
| NOR ADVICE OÜ | 14156728 |
| NPR BÜROO OÜ | 12749370 |
| CTR HOLDING OÜ | 16986397 |
| NTG TRANSPORT OÜ | 12805878 |
| NPR INFRA OÜ (former name Nordic Polymer Recycling OÜ) | 14151375 |
| MTR KINNISVARABÜROO OÜ | 11346167 |
| MTR EKSPERT OÜ | 12532506 |
| NGR HOLDINGS OÜ kustutatud | 16195129 |
| SELECT NOR OÜ kustutatud | 10727795 |
| KTR TRADE OÜ | 14916889 |