| Company name | Reg. code |
|---|---|
| RTHOOLDUS OÜ | 16477030 |
| ITHOOLDUS OÜ kustutatud | 12376408 |
| ERAHOOLDUS OÜ (former name WELDER OÜ) | 14140325 |
| PKHOOLDUS OÜ kustutatud | 14645663 |
| TDHOOLDUS OÜ | 16793155 |
| ITHOOLDUS EESTI OÜ | 10250525 |
| HOOLDUS OÜ | 10954143 |
| 24/7 HOOLDUS OÜ (former name 24/7 Hooldus UÜ) | 14168499 |
| 1-2-3 HOOLDUS OÜ kustutatud (former name 1-2-3 Hooldus UÜ) | 14248131 |
| KVHOOLDUS TEENUSED OÜ (former name Wonderful Moments OÜ) | 14849696 |
| PEIMAR HOOLDUS OÜ | 14053253 |
| VELIAL HOOLDUS OÜ kustutatud | 12363825 |
| KVKTORU HOOLDUS OÜ | 16842267 |
| SOOJUS & HOOLDUS OÜ kustutatud | 11322681 |
| ORBIIT HOOLDUS OÜ (former name Hoshima OÜ) | 17218269 |
| ORBITA HOOLDUS OÜ kustutatud | 10423173 |
| LS HOOLDUS OÜ | 12635910 |
| VENSAN HOOLDUS OÜ | 12734492 |
| SANVEKAN HOOLDUS OÜ | 17362664 |
| WASSERFALL HOOLDUS OÜ (former name Wassefall Hooldus OÜ) | 17379363 |
| EHITUSARK HOOLDUS OÜ | 16733934 |
| VET HOOLDUS OÜ | 11376688 |
| LRP HOOLDUS OÜ (former name kisakõriabc OÜ) | 16827204 |
| TEHNOVÕRKUDE HOOLDUS OÜ | 14577447 |
| DENSAN HOOLDUS OÜ | 16480503 |
| ELBRUS HOOLDUS OÜ | 14693834 |
| HORE HOOLDUS OÜ (former name VALREKIIN OÜ) | 14223910 |
| JH HOOLDUS OÜ | 12742876 |
| HK HOOLDUS OÜ | 12098814 |
| MANTEGO HOOLDUS OÜ | 14361227 |
| MAVEN HOOLDUS OÜ | 14459328 |
| HELMEN HOOLDUS OÜ (former name Helmen Hooldus UÜ) | 14932641 |
| ALFATOM HOOLDUS OÜ | 17118958 |
| PRISTIS HOOLDUS OÜ | 16164100 |
| CRYSTAL HOOLDUS OÜ (former name Quattromax OÜ) | 14322188 |
| KHK HOOLDUS OÜ kustutatud | 16064769 |
| MASINSERV HOOLDUS OÜ | 17371249 |
| GEDOR HOOLDUS OÜ | 12816497 |
| PAIRAN HOOLDUS OÜ | 14364591 |
| TALLER HOOLDUS OÜ | 14577890 |
| HELLOWORLD HOOLDUS OÜ | 16881480 |
| SAMMULI HOOLDUS OÜ kustutatud | 14499799 |
| RELK HOOLDUS OÜ | 12714325 |
| TJ HOOLDUS OÜ | 12286071 |
| VIISPLUSS HOOLDUS OÜ | 14127715 |
| MEDITSIINIGRUPP HOOLDUS OÜ | 10542305 |
| RANATA HOOLDUS OÜ | 10957331 |
| OTT HOOLDUS OÜ | 10978043 |
| PINGE HOOLDUS OÜ (former name Põhja- Eesti hooldus Grupp OÜ) | 14326656 |
| DEKAMERK HOOLDUS OÜ kustutatud | 11990804 |