| Company name | Reg. code |
|---|---|
| HPP OÜ | 10038676 |
| LEEVI HPP OÜ | 11767785 |
| HPP METALL OÜ | 14880625 |
| HPPST OÜ | 16784920 |
| HPPARTS OÜ | 14305602 |
| HPPTRADING OÜ | 11684510 |
| NPP OÜ (former name B11G OÜ) | 14514205 |
| APP24 OÜ kustutatud | 14241210 |
| EPP OÜ | 10053090 |
| HOP179 OÜ | 17150258 |
| HMP OÜ | 12879304 |
| HYP OÜ kustutatud | 16051092 |
| HPR OÜ | 14347931 |
| APP OÜ kustutatud | 10163111 |
| HKP OÜ | 11990833 |
| MPP OÜ kustutatud | 12601880 |
| HPE OÜ | 11420751 |
| PHPP OÜ | 16130058 |
| HUP OÜ kustutatud | 11669806 |
| HAPP OÜ | 12460445 |
| GPP OÜ | 10172185 |
| HPS OÜ (former name Särasilm OÜ) | 12911586 |
| HEP OÜ | 14790626 |
| BPP OÜ | 14372107 |
| HSP CONSULTING OÜ | 14270878 |
| HVP KONSULTATSIOONID OÜ kustutatud | 11880040 |
| HEPP WIEGAND OÜ (former name machen OÜ) | 14874949 |
| EPP HELISTE OÜ | 16733182 |
| HVP INCOME OÜ | 16914297 |
| STAFFING APP OÜ (former name Real Point Development OÜ) | 12158999 |
| KPP VALDUS OÜ | 12722276 |
| KPP SALES OÜ kustutatud | 11384245 |
| ONLINE APP OÜ kustutatud (former name Apprise OÜ) | 10701525 |
| HPH INVEST OÜ (former name HPH Finance OÜ) | 16146970 |
| COOCOOROO APP OÜ | 17226412 |
| BAKEIT.APP OÜ | 17082657 |
| APP DAY OÜ | 16368475 |
| BRIGHTY APP OÜ (former name Arbi Legal OÜ) | 16355194 |
| LPP HOLDING OÜ | 14575000 |
| KOIK APP OÜ kustutatud | 16209771 |
| HWP PRODUCTION OÜ kustutatud | 14086850 |
| LTV APP OÜ | 14880401 |
| THE HOP OÜ | 16839561 |
| APP-EKSPERT OÜ | 14685616 |
| HÖP ISLAND OÜ | 12027079 |
| HYPAD APP OÜ | 16823407 |
| SIIN APP OÜ (former name easyref app OÜ) | 17236273 |
| SERVICE APP OÜ | 17371806 |
| DENTAL APP OÜ (former name Foxleads OÜ) | 14535934 |
| HVP SAARETOODE OÜ | 12369302 |