| Company name | Reg. code |
|---|---|
| JKT OÜ | 17120323 |
| JKT3CH OÜ | 17190743 |
| JKT METALL OÜ | 14076320 |
| JKT INVEST OÜ | 16185585 |
| JKT-INTERNATIONAL OÜ kustutatud | 14159075 |
| JKTERVIS OÜ | 16309413 |
| JKTRAVELCLUB OÜ | 17062844 |
| JKTREENINGUD OÜ | 16230742 |
| JKA OÜ kustutatud | 16280349 |
| CKT OÜ | 12952898 |
| HKT OÜ kustutatud | 12420380 |
| JKV OÜ | 14367276 |
| JKL OÜ | 12611447 |
| IKT OÜ kustutatud | 11476875 |
| KJT OÜ kustutatud | 12943451 |
| JET OÜ | 14093152 |
| JKO OÜ | 11045980 |
| JMT OÜ | 12540026 |
| JKF OÜ | 16205402 |
| JST OÜ | 12191815 |
| JJT OÜ | 17075261 |
| JTK OÜ | 10195068 |
| JKG OÜ | 12343165 |
| GKT OÜ | 14751201 |
| AKT 7 OÜ | 14766191 |
| JET OÜ | XX-14093152 |
| JKV COMPANY OÜ | 14696726 |
| JMKT HOLDING OÜ | 16804120 |
| DKT CONSULT OÜ | 16908629 |
| JCT CONSULT OÜ kustutatud | 11449743 |
| JET & CO OÜ | 12385459 |
| JKR VENTURES OÜ | 14453975 |
| JKF DIGITAL OÜ | 16837728 |
| KKT VARAD OÜ kustutatud | 12184815 |
| JKK INVEST OÜ | 14562670 |
| JTK ENTERTAINMENT OÜ | 16931440 |
| JET KAPITAL OÜ | 16444880 |
| JIT DELIVERY OÜ kustutatud | 14097606 |
| REGIONAL JET OÜ | 12964950 |
| EKT HOLDCO OÜ kustutatud | 16779215 |
| JET FLY OÜ | 14506467 |
| JKS EHITUS OÜ kustutatud | 16572454 |
| JKB MAALRID OÜ | 17084248 |
| JET SERVICES OÜ (former name Fort Aero UA OÜ) | 12630539 |
| JMT PROMOTION OÜ | 16624808 |
| NORDIC JET OÜ | 11766076 |
| IKT CONSULT OÜ | 14887975 |
| JKH CAPITAL OÜ (former name J&K Kaubandus OÜ) | 14016051 |
| JST CAPITAL OÜ | 14484527 |
| JKL MEDIA OÜ | 16905884 |