| Company name | Reg. code |
|---|---|
| JLK GROUP OÜ | 14883807 |
| JKL GROUP OÜ kustutatud | 12159645 |
| ALK GROUP OÜ | 11424476 |
| JRK GROUP OÜ kustutatud | 12595725 |
| JFK GROUP OÜ kustutatud | 11495358 |
| MLK GROUP OÜ | 14098020 |
| JTK ULTRADE GROUP OÜ | 14786139 |
| RLK WORK GROUP OÜ (former name RLK Consulting OÜ) | 16517644 |