| Company name | Reg. code |
|---|---|
| ALETER OÜ | 11777074 |
| ALETER NORDIC OÜ kustutatud | 11484604 |
| ALEMER OÜ | 10806000 |
| ALEVER OÜ | 16958107 |
| ALEKTER OÜ | 14704265 |
| ALEGER MÖÖBEL OÜ | 12090008 |
| ALETUR GROUP OÜ | 16444680 |
| STAFFRENT ALLHANGE OÜ kustutatud (former name Aleser OÜ) | 12747684 |
| ALEMAR OÜ | 14291076 |
| ALEKIR OÜ | 17335762 |
| ALEGEO OÜ kustutatud | 12020634 |
| ALEKTERA OÜ kustutatud | 12345158 |
| ALEGRE OÜ | 17436249 |
| ALEBES OÜ | 16933780 |
| ALEATOR OÜ | 10148229 |
| ALENAR OÜ | 11423761 |
| ALEBAR OÜ | 17030407 |
| AGTN OÜ (former name Aleger Grupp OÜ) | 14722493 |
| ALEMIR GRUPP OÜ | 14770345 |
| ALEREG PLUS OÜ | 14217401 |
| ALEMIR IT OÜ | 14770747 |
| ALEBET HOLDING OÜ | 11047430 |
| ALEBET HOLDING OÜ kustutatud (former name SMSRaha OÜ) | 12491055 |
| ALEJES HOLDING OÜ | 16488073 |
| ALEMAR PRO OÜ | 11274947 |
| AVETER OÜ | 14666949 |
| ALUTER OÜ | 16965082 |
| ALTER OÜ kustutatud | 12935760 |
| ALPTER INVEST OÜ | 11139988 |
| ALPTER FINANTS OÜ kustutatud | 16120841 |
| ALITER INVEST OÜ | 16210076 |
| ALPTER GRUPP OÜ | 10224321 |
| ALPTER TRANSPORDIVARA OÜ | 17397645 |
| ALTER ENERGY OÜ | 16960274 |
| ALTER TRUST OÜ | 16507824 |
| ALTER BREWERY OÜ | 17305465 |
| ALTER FOUNDATION OÜ | 16193320 |
| ALTER GECKO OÜ | 14999544 |
| TUUDUR ALTER OÜ | 10497639 |
| ALTER BALTICS OÜ | 12026341 |
| ALTER GROUP OÜ (former name Osaühing Alter Electric) | 10167942 |
| ALTER.ESTATE OÜ | 16880859 |
| ALTER SECURITY OÜ | 12492416 |
| AETHER OÜ | 16641528 |
| ALATYR OÜ kustutatud | 14667251 |
| AGLETRE OÜ | 16493001 |
| ACHETER OÜ | 14847875 |
| AGITER OÜ | 10113840 |
| AGNETER OÜ (former name Johto OÜ) | 14484651 |
| ALATEK OÜ | 12104408 |