| Company name | Reg. code |
|---|---|
| HU GROUP OÜ | 14707810 |
| HULWI GROUP OÜ kustutatud | 14634820 |
| HUBNET GROUP OÜ (former name Revalspirit OÜ) | 14671324 |
| HUDSON GROUP OÜ | 12713120 |
| HUEMARE GROUP OÜ | 17268474 |
| HUJANEN GROUP OÜ kustutatud (former name OurCompany OÜ) | 14121262 |
| HULTAFORS GROUP OÜ kustutatud (former name Double Dozen OÜ) | 12899572 |
| HUNT-FISH GROUP OÜ | 11218512 |
| PAMUMUHUNAN OÜ kustutatud (former name Huberg Group OÜ) | 12350739 |
| KP CREATIVA OÜ (former name Hustle Group OÜ) | 12592141 |
| THE HEALTHY HUMAN GROUP OÜ | 17268014 |
| HUFFINGTON INVEST GROUP OÜ | 14826169 |
| BJELKSTRÖM & HURTIG GROUP OÜ kustutatud | 12545153 |