| Company name | Reg. code |
|---|---|
| PEAKSON OÜ | 14119360 |
| PEAKFOX OÜ | 16845358 |
| PEAKSOUND OÜ | 17113665 |
| PEARSONS MIF OÜ kustutatud | 14212958 |
| PARKSON OÜ | 14199442 |
| KELKSON OÜ | 11495536 |
| JAAKSON OÜ kustutatud (former name Tibutuba OÜ) | 14735627 |
| CLAKSON OÜ | 16859836 |
| PULKSON OÜ kustutatud | 16137669 |
| RENKSON OÜ (former name NAUDRE OÜ) | 14345961 |
| PERSON TO PERSON OÜ | 17105051 |
| 6020 PEAKS OÜ | 14390743 |
| PAASON OÜ | 16966331 |
| PASKON OÜ kustutatud | 12110314 |
| PAKSOL OÜ | 12374415 |
| PAUSON OÜ kustutatud | 10036312 |
| PLAKSO OÜ | 16094776 |
| 5SEASON OÜ | 16397442 |
| PEKASO OÜ | 14998077 |
| REASON OÜ | 12090244 |
| PETKON OÜ | 12805364 |
| ERKSON OÜ | 14166678 |
| VEKSON OÜ | 14334325 |
| AEKSON OÜ | 10793467 |
| TEAKON OÜ | 14646763 |
| PETSON OÜ | 12220149 |
| PETTSON INVENTS OÜ | 17139972 |
| PERSSON TECH OÜ | 17216276 |
| PIARSON GROUP OÜ kustutatud | 14062654 |
| JAAKSON & POJAD OÜ | 10081407 |
| PERSSON GAMES OÜ | 16357253 |
| JAAKSON & KO OÜ (former name aktsiaselts Jaakson & KO) | 10089018 |
| PULKSON PROJECT OÜ | 17331497 |
| JAAKSON KONSULTATSIOONID OÜ | 11346531 |
| DULEVA PEAKS OÜ | 12656496 |
| PEAKS & BASELINE OÜ kustutatud | 16461507 |
| PURPLE PERSON OÜ kustutatud | 16092104 |
| PERSON INVESTMENT OÜ kustutatud | 11318739 |
| CREDIT SEASON OÜ (former name Optimize Now OÜ) | 12464578 |
| MAX SEASON OÜ | 16439502 |
| HAIBA PEEKON OÜ | 10064656 |
| VAJANGU PEEKON OÜ | 11290248 |
| SAARE PEEKON OÜ | 10216014 |
| SEASON TRAVEL OÜ | 10970432 |
| VITSJÄRVE PEEKON OÜ | 10254693 |
| SEASON CAFFEE OÜ | 11106405 |
| REASON PLUSS OÜ | 10927726 |
| LINNAMÄE PEEKON OÜ (former name ABC Projektijuhtimine OÜ) | 12256911 |
| VIRU PEEKON OÜ | 10764052 |
| PRIVATE PERSON OÜ kustutatud | 16019504 |