| Company name | Reg. code |
|---|---|
| RKK TEENUSED OÜ (former name Retmer Teenus UÜ) | 16867095 |
| RKR TEENUSED OÜ | 17087442 |
| RAK TEENUSED OÜ kustutatud | 11945910 |
| RKP TEENUSED OÜ | 16664434 |
| RKL TEENUSED OÜ | 16552724 |
| VILJANDI RKG TEENUSED OÜ | 14549221 |
| MKK TEENUS OÜ | 10651322 |
| RKO TEENUS OÜ | 14129720 |
| RAK TEENUS OÜ kustutatud (former name RAK Teenus UÜ) | 14078017 |
| F-E TOOTMINE OÜ (former name KK Teenused OÜ) | 12866118 |
| PEMETROMBARS OÜ (former name OÜ KRK Teenus) | 17128299 |