| Company name | Reg. code |
|---|---|
| HOLLOW OÜ | 16935069 |
| HOLLOW EARTH OÜ | 16653276 |
| HOLLOWAY OÜ | 11329105 |
| HOLLO OÜ | 16991273 |
| HOLLO HOLDINGS OÜ | 17000228 |
| HOLLO & FOOD OÜ | 17261101 |
| HOLLO GRUPP OÜ kustutatud | 11499853 |
| HOLLIC OÜ kustutatud | 10734223 |
| HOLSON OÜ kustutatud | 10805325 |
| HOLTOR OÜ | 16173145 |
| TURVASUMU OÜ kustutatud (former name Hollo Recycling OÜ) | 14043734 |
| MR.HOLLIS OÜ kustutatud | 10001911 |
| HOLMOR MÖÖBEL OÜ | 12019134 |
| HOLLIN INVEST OÜ | 11327218 |
| HILLOW HILLOW OÜ | 17013805 |
| FOLLOW OÜ | 12861061 |
| PILLOW & PILLOW OÜ kustutatud | 12642985 |
| FIDGET OÜ kustutatud (former name HoldON OÜ) | 12138726 |
| HOLMO OÜ | 11527510 |
| HOLOR OÜ | 10241526 |
| HOLOS OÜ | 12357612 |
| SHALLOW OÜ | 16969223 |
| WILLOW OÜ kustutatud | 11694112 |
| HELLOU OÜ | 16076732 |
| HOBLOK OÜ kustutatud | 16591167 |
| WOLZOW OÜ | 11087079 |
| MELLOW OÜ | 12549085 |
| WOLFLOW OÜ | 14609905 |
| HALLON OÜ | 12628181 |
| HELGLOW OÜ | 17428191 |
| HOULOU OÜ | 12471408 |
| GOFLOW OÜ kustutatud (former name Automata OÜ) | 14324156 |
| MANIRJHIL MAKONGENI OÜ kustutatud (former name Holli Toit OÜ) | 16222725 |
| FOLLOW THE PLANTS OÜ | 16035224 |
| FOLLOW ME MUSIC OÜ | 16527548 |
| FOLLOW YOUR FEET OÜ | 14580691 |
| COLLO OÜ | 16535252 |
| HELLO24 OÜ | 12621871 |
| HILLO OÜ | 11459032 |
| HOLON TECHNOLOGIES OÜ | 12387168 |
| HOLON RESEARCH OÜ kustutatud | 16316018 |
| HOLOS -TELOS OÜ | 16759997 |
| KINNISVARASPETSIALIST OÜ (former name Holler OÜ) | 11733421 |
| KOLLOM STUUDIO OÜ kustutatud | 11901982 |
| KOLLOM EHITUS OÜ kustutatud | 16384793 |
| YELLOW SPARROW OÜ | 16836686 |
| YELLOW SUBMARINE OÜ | 12452612 |
| MOLLOY MANAGEMENT OÜ | 17268439 |
| WILLOW TRADING OÜ | 16178817 |
| FELLOW FUND OÜ | 17035913 |