| Company name | Reg. code |
|---|---|
| NKL18 OÜ (former name NordKlinker OÜ) | 16214513 |
| NKL AUTO OÜ | 12593212 |
| NKL-STUDIO OÜ | 14728142 |
| BEEBILOUNGE OÜ (former name NKL OÜ) | 11551708 |
| ÜLEMISTE KIRURGIAKLIINIK AS (former name NKLR Haldus OÜ) | 16135400 |
| NKA OÜ kustutatud | 14174620 |
| NKT OÜ | 16028012 |
| JKL OÜ | 12611447 |
| NKG OÜ kustutatud | 14183719 |
| EKL OÜ | 11146161 |
| BKL OÜ | 14785967 |
| NKF OÜ kustutatud | 14070903 |
| NKB OÜ | 14873482 |
| NLK OÜ kustutatud (former name Midenelli OÜ) | 12358592 |
| AKL OÜ | 12878512 |
| CKL OÜ | 12480711 |
| KKL OÜ | 12842253 |
| NIL OÜ | 17348960 |
| KNL OÜ | 10147342 |
| MKL OÜ | 14293566 |
| NML OÜ | 12592282 |
| NAL OÜ kustutatud | 12106956 |
| HKL OÜ kustutatud | 16147716 |
| THREE OPERATIONS OÜ (former name NKLogistics OÜ) | 14810694 |
| NKW CONSULTING OÜ | 16289741 |
| HKL INVESTEERINGUTE OÜ | 11093453 |
| GKL EUROPEAN OÜ | 16806277 |
| MKL INVEST OÜ | 16553913 |
| KKL GRUPP OÜ | 16241616 |
| NTL SPED OÜ (former name Nova T&L OÜ) | 16328197 |
| NKK HOLDING OÜ | 12453480 |
| NJL VALUUTA OÜ | 10460240 |
| JKL MEDIA OÜ | 16905884 |
| NML BIZ OÜ | 17165202 |
| LKL DISCOUNT OÜ | 14537991 |
| JKL DIGITAL OÜ kustutatud | 14373549 |
| AKL CONSULTING OÜ | 16189710 |
| BKL CAR OÜ | 12154777 |
| MKL INVEST OÜ kustutatud | 12290769 |
| AKL TRADE OÜ | 16569825 |
| NIL RAKENNUS OÜ kustutatud | 12249331 |
| NNL EESTI OÜ | 17176909 |
| AKSIK NKN OÜ kustutatud | 10291978 |
| NOL METALL OÜ | 11644108 |
| GRADIENT NIL OÜ | 16883102 |
| NKI TAAVIAS OÜ | 10455888 |
| JKL PROJEKT OÜ | 11158649 |
| JKL GROUP OÜ kustutatud | 12159645 |
| NAL SOFTWARE OÜ | 17301831 |
| NDL NORD OÜ | 12291422 |