| Company name | Reg. code |
|---|---|
| K.W. OÜ | 10880769 |
| K41W OÜ kustutatud | 16136173 |
| W&K TEENUSED OÜ | 12523855 |
| L.K.W.SERVICE OÜ | 11048145 |
| WE KNOW WHAT WE ARE OÜ kustutatud | 16045631 |
| W KOHV OÜ | 17330084 |
| KEP WAN OÜ kustutatud (former name B2B International OÜ) | 12787815 |
| WIKI KD OÜ | 12554471 |
| WANA & K OÜ | 12852464 |
| WIRU KV OÜ | 11152782 |
| WAM KAUP OÜ (former name WAMCENTER OÜ) | 16529626 |
| WHO KNEW OÜ (former name White Heart OÜ) | 16557897 |
| KV WORKS OÜ | 16851196 |
| KF WORKS OÜ | 16836930 |
| KVT WARA OÜ | 12345247 |
| KAP WOOD OÜ kustutatud | 11103648 |
| KR WORKS OÜ | 14879013 |
| KL WORKS OÜ kustutatud | 14931699 |
| WIIGI OÜ (Wiigi kohvik) | 12090296 |
| KL WINDOW OÜ kustutatud | 14790572 |
| KIMS WORK OÜ kustutatud | 12784679 |
| WT KESKUS OÜ kustutatud | 10820081 |
| KNUT WEAR OÜ (former name OÜ Kiddi) | 14491094 |
| KAIS WOOD OÜ | 14011674 |
| KIWA WERK OÜ (former name MKE Grupp OÜ) | 14173170 |
| WHITE KIT OÜ | 12707236 |
| KUMA WOOD OÜ | 12810951 |
| WHO KNOWS OÜ | 17174968 |
| K&U WORKS OÜ kustutatud | 12252014 |
| KIKA WASH OÜ | 17039331 |
| WR KROLEI OÜ (former name Bauman Rakennus OÜ) | 14670112 |
| KIDS WEAR OÜ | 12232425 |
| KLAR WELT OÜ | 14080468 |
| KOGU WORLD OÜ kustutatud | 14162462 |
| WEAR KAMA2 OÜ kustutatud | 16704619 |
| WAU KAUBAD OÜ | 14977253 |
| KOOLON WEB OÜ | 11793110 |
| WEB KEEPER OÜ kustutatud | 11985157 |
| KIIREI W1Y OÜ kustutatud | 12395245 |
| KISA WORLD OÜ | 14356947 |
| WV KAPITAL OÜ | 14431382 |
| KRAFT WOOD OÜ | 11998639 |
| KS WORKPRO OÜ | 16941325 |
| KAOS WORLD OÜ | 10680148 |
| K8 SPV WER1 OÜ | 16854000 |
| K.R WESTOR OÜ (former name TOKOI Majutus OÜ) | 11364863 |
| KMK WABRIK OÜ | 16467154 |
| WESKI KODU OÜ | 16413394 |
| KAJA WUNDER OÜ | 10873462 |
| WHEEL & KEEL OÜ kustutatud | 16165996 |