| Company name | Reg. code |
|---|---|
| TKJ OÜ | 16459344 |
| TKJ EHITUS OÜ | 16934970 |
| TKJ INVEST OÜ | 14175565 |
| TKJ ESTONIA OÜ | 14293342 |
| TKJ SOLUTIONS OÜ kustutatud | 14252834 |
| TKJK INVEST OÜ | 14928852 |
| TKJK HOLDING OÜ | 17041687 |
| TKJK CONSULT OÜ | 14234813 |
| TKN OÜ | 17062838 |
| TRJ OÜ | 11494169 |
| TKS OÜ | 12088170 |
| TKK OÜ | 12975758 |
| KTJ OÜ kustutatud | 12309464 |
| RKJ OÜ | 14431749 |
| TKC OÜ | 11785659 |
| TKE OÜ | 11390760 |
| TKH OÜ | 12291037 |
| LKJ OÜ | 14196277 |
| TJK OÜ | 12393200 |
| TKM OÜ | 12565865 |
| TKR OÜ | 16459019 |
| TTJ OÜ | 16098403 |
| TKV OÜ | 11693012 |
| TKM AUTO OÜ | 11282852 |
| TKB INTERNATIONAL OÜ | 16181363 |
| TKB CONSULTING OÜ kustutatud | 16484299 |
| VALTEK TKS OÜ kustutatud | 11242812 |
| TKH TRUST OÜ kustutatud | 12533181 |
| TKU MARKETING OÜ | 14258759 |
| TKH FOODS OÜ kustutatud | 12057815 |
| TJK WORKS OÜ kustutatud | 12682683 |
| AKJ EHITUS OÜ | 12793129 |
| TKV ESTONIA OÜ (former name SPP Estonia OÜ) | 14573998 |
| MKJ TORULAHENDUSED OÜ | 11707180 |
| SKJ TRADE OÜ | 16408074 |
| TDJ BRANDS OÜ | 17044409 |
| MKJ CONSULT OÜ | 14137702 |
| TKS TEENUSED OÜ kustutatud | 14538022 |
| TKM INVEST OÜ | 14124177 |
| TTKJ HOLDINGS OÜ kustutatud | 16808721 |
| KKJ IMPLEMENTS OÜ | 12815204 |
| TKD STUUDIO OÜ | 14171662 |
| BALTIK SKJ OÜ kustutatud | 12503864 |
| TKH EXPERT OÜ kustutatud | 11641860 |
| TNJ GROUP OÜ | 10788549 |
| MKJ TOOTMINE OÜ | 17464324 |
| HKJ INVEST OÜ | 16606816 |
| TKD COMMERCE OÜ | 17420433 |
| TOJ BALTICS OÜ kustutatud | 12601762 |
| TKV KOOLITUS OÜ | 14203847 |