| Company name | Reg. code |
|---|---|
| ALPHEX OÜ | 10409492 |
| ALPHEX JUHTIMISTEENUSED OÜ | 14255608 |
| ALPHEX CONSULTING & SERVICES OÜ kustutatud | 10561254 |
| ALPEX TALENT RESOURCES OÜ (former name Red Rainbow Entertaiment OÜ) | 14729934 |
| ALPTEQ OÜ kustutatud | 14769750 |
| ALPEXS OÜ kustutatud | 12669062 |
| ALPHAQ OÜ | 17345849 |
| ALPHERG OÜ | 16314195 |
| ALPINEX OÜ kustutatud (former name BitOne OÜ) | 12486605 |
| ALPEK OÜ (former name Alpek FL) | 11457530 |
| ALPEG OÜ | 12579620 |
| ALPHA OÜ | 10904027 |
| ALPIX OÜ | 14789296 |
| BLOCINTERACTIVE OÜ (former name alphaX Digital Services OÜ) | 14386463 |
| ALPHAM3TA OÜ | 16435065 |
| ALPTER INVEST OÜ | 11139988 |
| ALPTER FINANTS OÜ kustutatud | 16120841 |
| ALPTER GRUPP OÜ | 10224321 |
| ALPTER TRANSPORDIVARA OÜ | 17397645 |
| ALPHA IT OÜ | 16127168 |
| ALPHA SALES OÜ | 14258274 |
| ALPHA PIONEERING OÜ (former name AI Time Journal OÜ) | 14588729 |
| ALPHA BONDED OÜ | 12129118 |
| URSINHO ALPHA OÜ | 17442162 |
| ALPHA VENTURES OÜ | 16300299 |
| ALPHA LEARNING OÜ | 14853195 |
| ALPHA WAVE OÜ | 16922776 |
| ALPHA PROFIT OÜ | 12769958 |
| ALPHA BRAVO OÜ (former name OÜ Albin Capital) | 11506375 |
| ALPIE VENTURES OÜ | 16946587 |
| ALPHA WIZARD OÜ | 17226145 |
| ALPEN GOLD OÜ | 16589012 |
| ALPHA MOTORS OÜ | 14903674 |
| ALPHA UNION OÜ | 14682641 |
| ALPHA BELLE OÜ | 14916642 |
| ALPHA BEAN OÜ | 12181716 |
| ALPHA KINNISVARA OÜ | 11574550 |
| ALPHA 3D OÜ (former name Alpha AR OÜ) | 14586044 |
| ALPHA DIGITAL OÜ | 14512382 |
| ALPHA GAIN OÜ | 16745050 |
| AEGIR ALPHA OÜ | 17309301 |
| ALPHA COMPANY OÜ (former name Sharpfit OÜ) | 14812204 |
| ALPHA QUANTUM OÜ kustutatud | 16023569 |
| ALPAX EHITUS OÜ kustutatud | 12254510 |
| ALPHA GROWTH OÜ | 16621230 |
| ALPHA WOOD OÜ kustutatud | 14032376 |
| ALPHA MULTITRADE OÜ | 11726361 |
| ALPHA CMA OÜ | 14813988 |
| RESPONSIBLE ALPHA OÜ kustutatud | 17123563 |
| ALPEL CONSULTING OÜ | 12843146 |