| Company name | Reg. code |
|---|---|
| SLK OÜ | 16918987 |
| SLK EESTI OÜ kustutatud | 10454340 |
| ELVIGO SLK OÜ | 12482375 |
| SLK-GRUPP OÜ | 16944476 |
| SLK COMPANY OÜ | 11276355 |
| SUNLAIN SLK OÜ | 10585148 |
| SLK INTERNATIONAL OÜ kustutatud | 12711858 |
| SLK MARINE HOLDING OÜ | 16667924 |
| SLK Marine Holding OÜ | FI23/LA/200 |
| ABCONSULTING GROUP OÜ (former name SLK-Transfer OÜ) | 14136465 |
| SLKR INVEST OÜ | 16336624 |
| SLKRD OÜ | 16695300 |
| SIK SAK ILUSAKS OÜ | 11190506 |
| LSK OÜ | 17376519 |
| SHK OÜ kustutatud | 16351807 |
| SLE OÜ | 16141702 |
| SKK OÜ kustutatud | 16059633 |
| SILK OÜ | 14406674 |
| SFK OÜ | 10217930 |
| SLM OÜ | 12610169 |
| ALK OÜ | 11956411 |
| SEK OÜ kustutatud | 10968518 |
| SLEK OÜ kustutatud | 14564321 |
| SLF OÜ kustutatud | 12599203 |
| SLG OÜ | 14251384 |
| NLK OÜ kustutatud (former name Midenelli OÜ) | 12358592 |
| SLR OÜ | 17191346 |
| FLK OÜ | 16835215 |
| HLK OÜ | 11971630 |
| SLD OÜ | 14310619 |
| SLJ OÜ kustutatud | 12494390 |
| SALK OÜ | 16945085 |
| SLP OÜ | 10021291 |
| LLK 18 OÜ kustutatud | 14403196 |
| PLK OÜ | 17382193 |
| SÄLK OÜ | 14616029 |
| MLK COACHING OÜ | 17079388 |
| SLI CONSULTING OÜ | 17429150 |
| SKK HOLDING OÜ | 16988388 |
| SLG GROUP OÜ kustutatud | 10640781 |
| SÄK INVEST OÜ | 12528278 |
| MERIGAL KLK OÜ kustutatud | 10990950 |
| SLB MANAGEMENT OÜ | 14620976 |
| SKK CAPITAL OÜ | 16499473 |
| SLI HOLDING OÜ | 17355990 |
| KLK TRADE OÜ | 14585518 |
| KLK FINANCE OÜ | 14352783 |
| SLC-CONSEIL OÜ | 16390539 |
| LLK HH OÜ kustutatud | 14403210 |
| SLR VARAHALDUS OÜ | 17416549 |