| Company name | Reg. code |
|---|---|
| AATROX OÜ kustutatud | 12525280 |
| AATRON EHITUS OÜ | 12042096 |
| AATRIO OÜ | 11681090 |
| AATOS OÜ (former name Aatos Haldus OÜ) | 14173069 |
| MATROX OÜ kustutatud | 11493589 |
| ATROX OÜ | 16141398 |
| AATOM PROJEKT OÜ (former name A-HEIB OÜ) | 14422667 |
| ATROX EHITUS OÜ | 17043367 |
| APPROX OÜ | 12262656 |
| DETROX OÜ | 16638555 |
| ASTRYX OÜ | 17479030 |
| ARTBOX OÜ kustutatud | 14777873 |
| AUTROM OÜ | 12262834 |
| AMTROY OÜ | 16219692 |
| AMARTOX OÜ | 12324386 |
| ANTRAX OÜ | 16232787 |
| AARTON OÜ | 12368171 |
| INTROX OÜ | 12084232 |
| AXTRON OÜ (former name Axtron UÜ) | 14494164 |
| ALTRON OÜ kustutatud | 10314797 |
| BALTROX OÜ | 11028705 |
| ARTVOX OÜ | 16729832 |
| AVATREX OÜ | 12618892 |
| AXATRO OÜ | 16075846 |
| FATFOX OÜ | 16452164 |
| AABRON OÜ kustutatud | 12237463 |
| ATAREX OÜ | 17337040 |
| ALTRIX OÜ | 12098748 |
| AVATRO OÜ | 14934077 |
| ANTRIX OÜ kustutatud | 14438668 |
| AVIROX OÜ | 12490647 |
| AATOM OÜ | 10751581 |
| AATOR OÜ | 12627514 |
| KATROM INVEST OÜ kustutatud | 11291779 |
| ASTRON ESTONIA OÜ | 14459162 |
| ASTRYX INTERACTIVE OÜ | 17481009 |
| ASTRON EESTI OÜ | 14667682 |
| AABRON FINANCE OÜ kustutatud | 12690174 |
| ALAROX NORDIC OÜ | 12459330 |
| ASTROM TRADE OÜ | 11015246 |
| ALTREX HOLDING. OÜ kustutatud | 12665905 |
| ASTRON KAPITAL OÜ kustutatud | 12381007 |
| AUTRON SYSTEMS OÜ | 17287709 |
| DATAOX INC. OÜ (former name IntroLab Systems OÜ) | 14601654 |
| ALTREX CONSULT OÜ | 17115641 |
| ASTRIX HOLDING OÜ (former name Cardinan Holding OÜ) | 12763358 |
| AAKRON EESTI OÜ kustutatud | 11447388 |
| AUTRON TRADING OÜ kustutatud | 12600840 |
| FAYROX SKINCARE OÜ | 17217330 |
| ACTROS TRANS OÜ | 11371662 |