| Company name | Reg. code |
|---|---|
| SST OÜ | 12837714 |
| HALL SST OÜ | 10292357 |
| SST TEED OÜ | 12732808 |
| LIORA SST OÜ | 17327567 |
| SST PARTS OÜ | 10925897 |
| SST HOLDING OÜ (former name LP JUUKSUR OÜ) | 14795724 |
| SST E-RESIDENCE AND IMMIGRATION CONSULTATION OÜ | 14738293 |
| SSTOOL OÜ | 14938342 |
| SSTESTONIA OÜ kustutatud | 16501394 |
| SSTS HOSTING OÜ | 17190105 |
| SET SET STUDIO OÜ | 14532479 |
| SMT OÜ kustutatud | 16320600 |
| SBST OÜ | 16361533 |
| BST OÜ (former name Baltic Property Holding OÜ) | 14277076 |
| SET OÜ kustutatud | 12037936 |
| EST OÜ kustutatud | 12408387 |
| SSC OÜ | 14301107 |
| SSH OÜ | 12076066 |
| LST OÜ | 14293388 |
| OST211 OÜ kustutatud | 16018982 |
| EST10 OÜ | 14875073 |
| EST 1999 OÜ kustutatud | 14484734 |
| KST OÜ | 11492590 |
| SCT OÜ | 17250095 |
| EST24 OÜ | 14538832 |
| EST 1986 OÜ | 14413326 |
| JST OÜ | 12191815 |
| SKT OÜ | 12466583 |
| 3DST OÜ (former name SiimSpace OÜ) | 12454634 |
| EST OÜ | 16180004 |
| SQT OÜ | 16924226 |
| 4EST OÜ (former name 4EST UÜ) | 16268236 |
| RST OÜ | 14750928 |
| SNT OÜ | 12082345 |
| SEST OÜ (former name W22 OÜ) | 17161836 |
| NST OÜ (former name NS Passive Invest OÜ) | 14224105 |
| SAT OÜ | 12768396 |
| RST10 OÜ | 14021879 |
| EST.22 OÜ | 16770734 |
| PSST! OÜ | 14066362 |
| EKER EST OÜ | 17340289 |
| MALCAPUYA EST OÜ (former name Macapuya Est OÜ) | 16811663 |
| EST-FACE OÜ kustutatud | 10453949 |
| ORGANIC.EST OÜ kustutatud | 12133338 |
| STRUTTURA.EST OÜ | 17397467 |
| NORDIKWOOD EST OÜ (former name Softub Estonia OÜ) | 14126667 |
| AST-LINE OÜ | 10400462 |
| OHUTUS-EST OÜ | 16382446 |
| BRAMTRIONIKS EST OÜ (former name Advice & Training OÜ) | 11391624 |
| AKROPOLIS EST OÜ kustutatud | 11447655 |