| Ettevõtte nimi | Reg. kood |
|---|---|
| FOUNDATION H OÜ | 17543466 |
| THE H FOUNDATION OÜ | 16173636 |
| HEP FOUNDATION OÜ kustutatud | 16285973 |
| HIE FOUNDATION OÜ | 14475008 |
| COMPOTEXA OÜ kustutatud (endine nimi Existing look art foundation OÜ) | 14444108 |
| HACKEN OÜ (endine nimi Hacken Foundation OÜ) | 14351915 |
| EYE HEALTH FOUNDATION OÜ kustutatud | 14485060 |
| DE HAAR RESEARCH FOUNDATION OÜ kustutatud | 16419267 |
| NATIONAL HERITAGE FOUNDATION OÜ | 11962765 |
| RESPONCIBLE HERPETOCULTURE FOUNDATION OÜ (endine nimi Smartprojects OÜ) | 14231281 |
| INTERNATIONAL FOUNDATION FOR FUTURE HORIZONS OÜ | 14338211 |