| Company name | Reg. code |
|---|---|
| RTC OÜ (former name Certified Organic OÜ) | 12587230 |
| RTC EHITUS OÜ | 10829024 |
| RTC FEELER OÜ | 10495511 |
| RTC TEHNIKA OÜ | 10813129 |
| RTC TECHNOLOGY OÜ | 16048262 |
| RTC RENOEKSPERT OÜ | 10591580 |
| RTCARED OÜ | 16299260 |
| BOURBEYDE RTCHA OÜ (former name EU Trading Group OÜ) | 14004326 |
| RRC OÜ | 17217637 |
| RHC OÜ (former name Rosimannus Holding Company OÜ) | 12879598 |
| ETC OÜ kustutatud | 12249555 |
| 2023 RCC OÜ | 16662237 |
| KTC OÜ | 16545517 |
| RCC OÜ kustutatud | 12692598 |
| REC3 OÜ kustutatud | 16531892 |
| RTF OÜ | 14030909 |
| RTI OÜ (former name OÜ Ekspress Võti) | 12960188 |
| CTC OÜ kustutatud | 14022583 |
| LTC OÜ | 14860284 |
| REC709 OÜ | 16306155 |
| RIC OÜ | 14460515 |
| NTC OÜ kustutatud (former name Nordic Transport Chemicals OÜ) | 12407942 |
| RTJ OÜ | 16043460 |
| RTD24 OÜ | 16373594 |
| RCC3 OÜ kustutatud | 16664239 |
| ROC OÜ | 12621865 |
| RSC OÜ | 10452447 |
| REC10 OÜ | 14576092 |
| RTE OÜ kustutatud | 12057985 |
| RMC OÜ | 12369360 |
| BTC OÜ | 10308727 |
| FTC OÜ | 14444151 |
| RTM OÜ kustutatud | 11505789 |
| RTH OÜ | 12544389 |
| RHTC OÜ | 14366147 |
| ATC SOLUTION OÜ kustutatud | 12708023 |
| LE ROC OÜ | 11045023 |
| RTF FINANCE OÜ kustutatud | 11165454 |
| ALUMBRA GTC OÜ kustutatud | 12142082 |
| SENTOSA PTC OÜ kustutatud | 10469933 |
| RAC ARENDUSE OÜ | 10407613 |
| RMC MEDIA OÜ kustutatud | 14300421 |
| GTC CONSTRUCTIONS OÜ | 12392790 |
| RTK HOLDING OÜ kustutatud | 16489368 |
| GROOVESTAR GTC OÜ kustutatud | 11953163 |
| RAC SOLUTIONS OÜ kustutatud | 12571340 |
| ITAMO ATC OÜ | 14888696 |
| GTC CENTRAL OÜ kustutatud | 11740533 |
| KTC MANAGEMENT OÜ | 16804640 |
| RTA GRUPP OÜ kustutatud | 10454438 |