| Company name | Reg. code |
|---|---|
| PRG1000 HOLDING OÜ kustutatud (former name BizAdvisor OÜ) | 12018494 |
| JRG HOLDING OÜ | 17427872 |
| PBG21 HOLDING OÜ (former name PavBel Group OÜ) | 16504990 |
| PRO-HOLDING OÜ | 12930431 |
| ORG HOLDINGS OÜ | 16497014 |
| PBG INVEST HOLDING OÜ kustutatud | 12894250 |
| ORG HOLDING GROUP OÜ | 14699920 |
| PRO HOLDINGS INT. OÜ | 10570052 |
| PRO KAPITAL GERMANY HOLDINGS OÜ | 12162914 |
| SAARE GOLF OÜ (former name PHG Holding OÜ) | 12461806 |
| CLASSY HOLDING OÜ (former name R MÖLDRE HOLDING OÜ (ASUTAMISEL)) | ASUTAMISEL |