| Company name | Reg. code |
|---|---|
| JRN OÜ | 14127709 |
| JRN INVEST OÜ | 17309457 |
| JRN VALDUSE OÜ | 16936761 |
| JRNY OÜ kustutatud | 16828623 |
| JAN JAN OÜ | 17192601 |
| BRN OÜ | 14635297 |
| IRN OÜ kustutatud | 10131832 |
| JRK OÜ | 14530084 |
| JRA OÜ | 16695949 |
| JEN OÜ | 10330997 |
| ÖRN OÜ | 12800898 |
| JSN OÜ | 14514493 |
| MRN OÜ | 16972113 |
| JRH OÜ kustutatud | 16340092 |
| JIN OÜ | 14714849 |
| JRP OÜ | 16898486 |
| ERN OÜ | 12626667 |
| JRM OÜ (former name RS Eesti OÜ) | 14437427 |
| ARN OÜ | 14166856 |
| HRN OÜ kustutatud | 16017681 |
| JRC OÜ | 14453231 |
| KRN OÜ | 14422609 |
| JSN GLOBAL OÜ | 17328087 |
| JON KWIATKOWSKI OÜ | 16852610 |
| LRN VENTURES OÜ | 11215353 |
| JON & JONSON OÜ kustutatud | 10872178 |
| JIN CHAN OÜ | 14865643 |
| JRL GROUP OÜ | 17114156 |
| JRG HOLDING OÜ | 17427872 |
| JRM SERVICES OÜ | 16651231 |
| ROLAND&JON OÜ | 16212661 |
| JRC INVESTMENTS OÜ | 14678881 |
| JRV INVESTEERINGUD OÜ | 10951995 |
| JNR INVEST OÜ | 17005833 |
| JRS CONSTRUCTION OÜ | 14492521 |
| JMN DIGITAL OÜ | 17345714 |
| CRN AGENCY OÜ | 10898166 |
| ARN HALDUS OÜ | 16591227 |
| JAN TRADE OÜ kustutatud | 11636114 |
| JON ALT OÜ | 16473094 |
| JRA TRANSPORTATION OÜ kustutatud | 16612828 |
| JRA CARS OÜ | 14643995 |
| LRN FUND OÜ | 14732847 |
| LRN & PARTNERS OÜ | 14982142 |
| SRN LIMITED OÜ | 16142133 |
| JAN-TEHNIKA OÜ | 16258350 |
| JAN NAHAVÄRK OÜ | 10302541 |
| JRM SOLUTIONS OÜ | 16930994 |
| JON CORP OÜ | 16784133 |
| JRB CONSULTING OÜ | 12173088 |