| Company name | Reg. code |
|---|---|
| JHZ OÜ kustutatud | 16964697 |
| JNZ 21 OÜ | 16514505 |
| THZ OÜ | 11302193 |
| JHP OÜ | 11940976 |
| JHM OÜ | 17272731 |
| JHW-INVEST OÜ | 17025234 |
| JHA ASSETS OÜ | 14944124 |
| JHA HOLDING OÜ | 14951957 |
| JHI KONSULTATSIOON OÜ | 14449040 |
| JHM PROFIT OÜ | 11081591 |
| JHS LAENUD OÜ kustutatud | 11973757 |
| 472 JHQ ENTERTAINMENT OÜ (former name Aiko Systems Technologies OÜ) | 12024554 |
| JHC FASHION OÜ | 12532877 |
| JHS COUTURE OÜ | 17031714 |
| JEZ GROUP OÜ | 14172733 |
| JHK INVEST OÜ (former name Metsamaagia OÜ) | 14486182 |
| 5.9GHZ PC OÜ | 17175494 |
| JHB CONSTRUCTION OÜ | 16692690 |
| JUZ GROUP OÜ | 14581207 |
| HZ8 OÜ | 16718136 |
| 440HZ OÜ kustutatud | 11230097 |
| 49HZ OÜ (former name Eurobitum Trading OÜ) | 14597929 |
| 2JZ OÜ | 16124945 |
| 30 HZ OÜ | 12597368 |
| HZ528 OÜ (former name MO.999 OÜ) | 16852254 |
| 440HZ OÜ | 14308902 |
| JHW REAL ESTATE OÜ kustutatud | 12094130 |
| JAZ ENTERTAINMENT CONSULT OÜ kustutatud | 12735439 |
| JHK FUTURE ASSETS OÜ | 17058357 |
| JZ STRATEGIC OÜ kustutatud | 14165839 |
| JZ RETAIL OÜ | 16429981 |
| JH INVEST OÜ kustutatud | 12670496 |
| JH HOLDING OÜ kustutatud | 14781099 |
| JH HOLDINGS OÜ | 12470573 |
| JH HOOLDUS OÜ | 12742876 |
| JZ INVESTMENT OÜ | 16208961 |
| HZ VALDUSE OÜ | 12901719 |
| JH-MAALAUS OÜ kustutatud | 11400240 |
| JH INVESTEERINGUD OÜ kustutatud | 11738134 |
| JZ WORKS OÜ | 17342756 |
| JH MEDIA OÜ | 17056967 |
| JH SALES OÜ | 16745086 |
| JH-MACHINE OÜ | 12153341 |
| TRANS-JH OÜ kustutatud (former name Motra OÜ) | 12959146 |
| JH ELEKTRITÖÖD OÜ | 12888692 |
| JH EHITUS OÜ | 16690811 |
| TRAPETS JH OÜ | 10885465 |
| JH CONCEPTS OÜ | 17222093 |
| JH CAPITAL OÜ | 12782605 |
| JH INVESTMENT OÜ | 16911175 |