| Company name | Reg. code |
|---|---|
| SUNCAT OÜ (former name Fetoks OÜ) | 14163160 |
| SUNCAR OÜ | 12545992 |
| SUNBAY OÜ | 14910846 |
| SUNDAE OÜ | 16873368 |
| SUNBATH OÜ kustutatud | 12313313 |
| SUNART OÜ | 11604646 |
| SUNCMS OÜ (former name SunnyCat OÜ) | 14393428 |
| SUNMAX OÜ | 11036805 |
| SUNCOAST OÜ | 14621208 |
| SUNDAR OÜ | 17425614 |
| SUNCHART OÜ | 10953899 |
| SUNGAM OÜ | 12331498 |
| SUNIAI OÜ | 14896997 |
| SUNDAY OÜ | 14569235 |
| SUNHEAT OÜ | 11408282 |
| SUNEST OÜ | 14723883 |
| SUNFAB OÜ | 10762018 |
| SUNBALT OÜ | 11130898 |
| SUNCHI OÜ | 17015081 |
| SUNLAN OÜ | 12950161 |
| SUNCRAFT OÜ | 16896464 |
| SUNCOM OÜ kustutatud | 11038307 |
| KVALITECH OÜ (former name OÜ Sungat-L) | 10380972 |
| SUNKAL GRUPP OÜ kustutatud | 10569043 |
| SUNDAY INVEST OÜ kustutatud | 11256263 |
| SUNDAY CARGO OÜ (former name Sanday Cargo OÜ) | 12947609 |
| SUNITA TRADING OÜ | 10703599 |
| SUNMAN BALTIC OÜ | 10057142 |
| SUNDAY SOCIETY OÜ kustutatud | 12119918 |
| SUNDAY EVENTS OÜ | 17059575 |
| SUNDAY LIFESTYLE OÜ kustutatud | 14177127 |
| SUNNAH FOODS OÜ | 17114328 |
| SUNDAY HORSE OÜ | 12346637 |
| SUNCITY GROUP OÜ kustutatud | 11328258 |
| SUNCOR PROJECT OÜ | 10708852 |
| SUNMAN HOLDING OÜ | 11527153 |
| SUNDAY GROUP OÜ kustutatud | 11492897 |
| SUNGATE GROUP OÜ | 11240635 |
| SUNGATE FENCE OÜ | 10872913 |
| SUNEST POWER OÜ | 16953665 |
| SUNGATE AUTOMAATIKA OÜ | 11543198 |
| SUNGATE SECURITY OÜ | 11549189 |
| SUNDAY MARKETPLACE OÜ (former name TECH CONSULTANCY MANAGEMENT PARTNERS OÜ) | 14580113 |
| SUNCOM CONSULTING OÜ | 16612900 |
| SUNDAY LOGISTIC OÜ | 12083468 |
| SUNLIT TECHNOLOGICAL OÜ | 17140768 |
| SUNEST EHITUS OÜ kustutatud | 16088793 |
| SUNGATE PAIGALDUS OÜ | 16172737 |
| SUNEST BALTIC OÜ | 16446117 |
| SUNGATE METAL OÜ | 10261049 |