| Ettevõtte nimi | Reg. kood |
|---|---|
| K CONSTRUCTION OÜ | 12238758 |
| K&H CONSTRUCTION OÜ kustutatud | 12159266 |
| A.K.S CONSTRUCTION OÜ | 16942537 |
| D.K CONSTRUCTION WORKS OÜ | 17291674 |
| E.K. INNOVATION CONSTRUCTION OÜ kustutatud (endine nimi Jürka Ehitus OÜ) | 11249501 |
| K&K CONSTRUCTIONS OÜ | 12805890 |
| J.K CONSTRUCTIONS OÜ kustutatud | 12192223 |
| KT CONSTRUCTION OÜ kustutatud | 12784515 |
| KV CONSTRUCTION OÜ kustutatud (endine nimi Personal Protection Service OÜ) | 14109516 |
| KR CONSTRUCTION OÜ | 16575004 |
| KAP CONSTRUCTION OÜ | 14726700 |
| KSM CONSTRUCTION OÜ | 12631378 |
| KMK CONSTRUCTION OÜ | 14826887 |
| KN1 CONSTRUCTION OÜ | 12194216 |
| KSV CONSTRUCTION OÜ | 16253335 |
| KIKU CONSTRUCTION OÜ | 14661063 |
| KEKO CONSTRUCTION OÜ kustutatud | 12186791 |
| COMPOTEXA OÜ kustutatud (endine nimi Full Kit OÜ) | 14444108 |
| KURGUZ CONSTRUCTION OÜ | 14131272 |
| KRONAN CONSTRUCTION OÜ | 14269763 |
| KRONEX CONSTRUCTION OÜ kustutatud | 11642492 |
| KRIVEST CONSTRUCTION OÜ | 12539796 |
| KINGSLEY CONSTRUCTION OÜ | 11404692 |
| LUISE 24 OÜ (endine nimi Krauss construction OÜ) | 16793706 |
| KOLESNIKOV CONSTRUCTION OÜ | 11626760 |
| VINGEBERTI KORISTUSFIRMA OÜ kustutatud (endine nimi Kellu & Ämber OÜ) | 14986430 |
| KULBACHENKO CONSTRUCTION OÜ | 17070625 |
| FASSAADISPETS OÜ (endine nimi KINGS OF CONSTRUCTION OÜ) | 14354428 |
| SWISS FERRA OÜ (endine nimi Kimsa Construction OÜ) | 14713241 |
| KUPADI HUPARA OÜ (endine nimi KV Construction UÜ) | 14558792 |
| KSC GROUP OÜ (endine nimi KS Construction group OÜ) | 14935929 |
| BOUSNAK MASSOUKO OÜ (endine nimi EHL Construction OÜ) | 12947578 |