| Company name | Reg. code |
|---|---|
| ASKSTAN OÜ (former name OÜ ThinkSquad) | 16049540 |
| ASKAN EHITUS OÜ | 14855082 |
| ASTSCAN OÜ kustutatud (former name Karin & Laanemets OÜ) | 12873437 |
| ANKSTAR OÜ | 11287660 |
| AKSMAN OÜ | 14587724 |
| AKSTAP OÜ | 16891455 |
| SKYTAN & HENCUS OÜ kustutatud | 12672609 |
| AUSTAN LOODUST OÜ | 10670115 |
| ASSAN TRANS OÜ | 10248244 |
| CHUQUISACA INCAHUASI OÜ (former name Austan Loodust Grupp OÜ) | 11360931 |