| Company name | Reg. code |
|---|---|
| ROMCON OÜ | 16326598 |
| ROMSON OÜ | 14598923 |
| ROICON GROUP OÜ kustutatud | 12112342 |
| MARTYN ROMANO OÜ (former name NELLYA MARTYN ROMANO OÜ) | 16341269 |
| PROMICON OÜ | 10640172 |
| REMKON OÜ | 12585537 |
| NORCON OÜ | 17006828 |
| ROBCAN OÜ kustutatud | 16122053 |
| JOHCON OÜ | 14984684 |
| EROMON OÜ kustutatud | 11086275 |
| PROCON OÜ | 12799289 |
| RAMMON OÜ | 12369683 |
| RECCON 88 OÜ kustutatud | 14597013 |
| REMSON OÜ | 14714476 |
| POKCON OÜ | 16779770 |
| ROADCON OÜ | 17472861 |
| LOGCON OÜ | 12970873 |
| RAECON OÜ | 12032838 |
| RIMACON OÜ | 12332888 |
| HOTCON OÜ | 11604273 |
| COMMON OÜ | 10086480 |
| REMICON OÜ (former name Energy Management Solutions OÜ) | 12516482 |
| REMMON OÜ | 11050219 |
| RAMRON OÜ | 14880814 |
| COMEON OÜ | 16069086 |
| REICON OÜ | 17163195 |
| RAMTON OÜ | 17000062 |
| DOMICON OÜ | 14374477 |
| ROBICON OÜ | 16686330 |
| BIMCON OÜ | 12655120 |
| RENCON OÜ kustutatud | 11545211 |
| PROCON BALTIC OÜ | 17314346 |
| COMMON PREFIX OÜ | 16322929 |
| NOVCON EST OÜ kustutatud | 12551567 |
| COMMON KNOWLEDGE OÜ kustutatud | 12805105 |
| COMMON SPORTING OÜ kustutatud | 12581829 |
| RAMSON TRADE OÜ | 10230215 |
| COMMON OBSERVATORY OÜ kustutatud | 14840005 |
| RAICON AIR OÜ kustutatud | 12853372 |
| PROCON SLS OÜ | 14572065 |
| COMMON LIFE OÜ kustutatud | 14413384 |
| PROCON SERVICE OÜ | 12043428 |
| COMICON GROUP OÜ (former name 7 CONTINENTS OÜ) | 14946229 |
| LOGCON EESTI OÜ kustutatud | 11252383 |
| PROCON CONSULTS OÜ kustutatud | 11400895 |
| PROCON TEAM OÜ kustutatud | 12148877 |
| COMMON ORIGINS OÜ (former name Audico Technology OÜ) | 17012881 |
| PROCON MEDICAL OÜ (former name Epura OÜ) | 11071397 |
| REMICON HALDUSTEENUSED OÜ | 16849306 |
| RAICON GRUPP OÜ | 16242403 |