| Company name | Reg. code |
|---|---|
| KTL OÜ | 12607003 |
| KTL-CONSULT OÜ | 12375640 |
| KTL OMAGRUPP OÜ | 11193321 |
| KTL TRANSPORT OÜ | 12556607 |
| KTL COMPLIANCE OÜ | 17328176 |
| 2KTL GRUPP OÜ | 16818300 |
| CODELINE STUDIO OÜ (former name KTL Trading OÜ) | 14832804 |
| KTLN OÜ | 12568326 |
| KTLIINA OÜ | 16874899 |
| KTLAHENDUSED OÜ kustutatud | 14821966 |
| KTC OÜ | 16545517 |
| KTO OÜ | 11670399 |
| KTR OÜ | 16358198 |
| KRTL OÜ | 17252645 |
| KML OÜ | 17133142 |
| KTA OÜ | 16770102 |
| KPL OÜ | 16244804 |
| KTJ OÜ kustutatud | 12309464 |
| KJL OÜ | 17419720 |
| KTML OÜ | 10863386 |
| KTÄ OÜ kustutatud | 16561580 |
| KLL OÜ kustutatud | 12339123 |
| KTH OÜ | 17322506 |
| KBL OÜ | 12771263 |
| KRL OÜ | 16128742 |
| KKL OÜ | 12842253 |
| KNL OÜ | 10147342 |
| KHL OÜ (former name Trapnet OÜ) | 12697644 |
| KTN OÜ | 14560240 |
| HTL OÜ | 14929863 |
| KAL OÜ | 14502509 |
| KRL OÜ kustutatud | 12671410 |
| FTL24 OÜ kustutatud | 14244183 |
| KTI OÜ | 14942259 |
| KRTL OÜ kustutatud | 12129785 |
| KTKL OÜ | 16540543 |
| KFL OÜ | 16184367 |
| ITL OÜ | 11141962 |
| ITL GROUP OÜ | 17153943 |
| FTL ENGINE OÜ | 16760003 |
| KJL CONSULTING OÜ | 12764990 |
| KCL INVEST OÜ | 12800964 |
| KRL TRADING OÜ | 16910342 |
| KML FUND OÜ | 16337144 |
| KTN CONSULT OÜ | 14839060 |
| KML DEVELOPMENT OÜ | 17182933 |
| KHL SERVICES OÜ kustutatud | 11461187 |
| KTC MANAGEMENT OÜ | 16804640 |
| KPL INVEST OÜ | 14952520 |
| KTD EVENTS OÜ | 17005779 |