| Company name | Reg. code |
|---|---|
| KWH OÜ | 12672058 |
| 39.39 KWH OÜ | 16884550 |
| KWH PARTNERS OÜ | 14032357 |
| KWHERO OÜ | 16671593 |
| KEH OÜ | 16403065 |
| KVH24 OÜ (former name S&A Company OÜ) | 12877323 |
| KPH OÜ | 11057150 |
| KKH OÜ kustutatud | 16181765 |
| KTH OÜ | 17322506 |
| KSH OÜ | 12148794 |
| KJH OÜ | 16528157 |
| KAH2 OÜ | 14392372 |
| KAH OÜ | 12333132 |
| KMH OÜ | 16807791 |
| HWH OÜ | 11368542 |
| KMH ADVISORY OÜ | 14596999 |
| KWF & CO. OÜ | 16836315 |
| KÄIB KAH OÜ | 16015015 |
| KJH INVEST OÜ kustutatud (former name T&S Eesti Consulting OÜ) | 16112221 |
| KTH CAPITAL OÜ | 14455323 |
| KMH TEENUSED OÜ | 16926403 |
| KEH DIGITAL OÜ | 17221745 |
| KWM DISTRIBUTION OÜ kustutatud | 12053065 |
| KTH CONSULTING OÜ | 11575028 |
| KWA WANAWAKE OÜ kustutatud | 12730086 |
| TORGU KVH OÜ | 14932902 |
| APOLLER KVH OÜ | 11582650 |
| KVH MASTERS OÜ | 11937715 |
| FÄRSK KVH OÜ | 16803729 |
| GELO KVH OÜ | 12802822 |
| NEIMAN KVH OÜ kustutatud | 12885624 |
| HAAS KVH OÜ (former name OUTLET TRADING COMPANY) | 12265732 |
| ERSA KVH OÜ | 12543585 |
| BRILJANTNE KVH OÜ | 16836901 |
| KVH TEENUS OÜ | 14769721 |
| MIREKES KVH OÜ | 16160875 |
| VASKER KVH OÜ | 11172709 |
| SW KAH OÜ | 16811462 |
| KMH SPORT OÜ | 16480640 |
| KRH CONSULT OÜ | 14033167 |
| KTH KAPPA OÜ | 14992732 |
| KMH INVEST OÜ kustutatud | 12331133 |
| KWM INVEST OÜ | 12546856 |
| ERKVERK KVH OÜ kustutatud | 10745907 |
| KWR HALDUS OÜ | 17264045 |
| KPH KONSULTATSIOONID OÜ | 12250311 |
| KWG GRUPP OÜ | 10945687 |
| GELB KUH OÜ | 14659814 |
| KTH METS OÜ kustutatud | 10863699 |
| BWH TECHNICS OÜ kustutatud | 14512882 |