| Company name | Reg. code |
|---|---|
| PLUMBING OÜ | 16986859 |
| PLUMBING SERVICE OÜ kustutatud | 14522512 |
| WATERWORLD PLUMBING OÜ | 16115260 |
| L.L PLUMBING OÜ | 17052969 |
| ESTENCO OÜ (former name KARAL PLUMBING TRADE OÜ) | 14277001 |
| FFT SCANDI GROUP OÜ kustutatud (former name KARAL PLUMBING OÜ) | 14135011 |
| PLUMBERG HOLDINGS OÜ | 17477255 |
| HEIDI PLUMBERG INTERNATIONAL OÜ | 14108853 |
| LUMBINI OÜ | 17074563 |
| KIVI CLIMBING OÜ | 16109058 |
| KOALA CLIMBING OÜ | 14851279 |
| CLIMBING RB OÜ | 14265475 |
| PÄRNU CLIMBING OÜ | 17027026 |
| NGAM LUMDING OÜ kustutatud (former name OÜ Energia AMP) | 11712716 |
| KEIT THE CLIMBING TRAINER OÜ | 16624912 |
| TORN HOOLDUS OÜ (former name Pumping Station OÜ) | 16498739 |