| Company name | Reg. code |
|---|---|
| KVT OÜ | 14673085 |
| KVT&T OÜ kustutatud | 14536135 |
| KVT WARA OÜ | 12345247 |
| KVT TRANS OÜ | 14374980 |
| KVT EHITUS OÜ | 11455672 |
| SORTIS KVT OÜ | 11890043 |
| MUTLER KVT OÜ | 16984205 |
| KVT HALDUS OÜ (former name MyShirt OÜ) | 12992828 |
| KVT SERVICE OÜ kustutatud | 12451601 |
| KVT CONSULTING OÜ | 17053791 |
| KVT ENGINEERING OÜ (former name Digital insight OÜ) | 16340643 |
| MOULOVI MODHRUVELLIR OÜ kustutatud (former name KontrollVahend ja Tehnika (KVT) OÜ) | 12231354 |
| KVTK OÜ | 17479584 |
| KVTN OÜ kustutatud | 16451934 |
| KVTGAAS OÜ | 16096870 |
| KVTBOAT OÜ | 16116762 |
| KVO OÜ | 10311289 |
| KVJ 7 OÜ | 16755781 |
| KVK OÜ | 12675237 |
| AVT OÜ | 10823754 |
| KVA OÜ (former name Wanaka OÜ) | 11662566 |
| KVA75 OÜ | 16394538 |
| KVK24 OÜ kustutatud | 14085477 |
| KVF OÜ | 14501970 |
| KVH24 OÜ (former name S&A Company OÜ) | 12877323 |
| KJT OÜ kustutatud | 12943451 |
| KHT OÜ | 14055393 |
| KST OÜ | 11492590 |
| KVR OÜ | 10095585 |
| KNT OÜ | 12953343 |
| KVP OÜ | 14797108 |
| KVM OÜ | 16902124 |
| KET OÜ | 17201323 |
| KTV OÜ | 11893159 |
| 2KAT OÜ | 16719331 |
| KVG OÜ | 12197143 |
| KVOT OÜ kustutatud | 14616325 |
| KÄT OÜ | 16263569 |
| KVJ OÜ | 14917742 |
| KVJ 24 OÜ | 16671430 |
| KVD OÜ | 10047072 |
| KRT OÜ | 12649651 |
| FVT VARAHALDUS OÜ | 17479061 |
| MÄNNIMÄE KVB OÜ | 11812741 |
| KPT HOLDING OÜ | 14705951 |
| REKMAN KVB OÜ | 10510133 |
| KPT KAZINVEST OÜ kustutatud | 11343039 |
| KKT VARAD OÜ kustutatud | 12184815 |
| KVK LAHENDUSED OÜ | 14683190 |
| KVM SERVICES OÜ | 16773922 |