| Company name | Reg. code |
|---|---|
| ETTNER OÜ | 16400240 |
| ETTER REKLAAM OÜ | 10126274 |
| ETTENA OÜ | 14185173 |
| ESTNER OÜ | 14192109 |
| QUANTIZED ALFA OÜ (former name Ettinger Capital OÜ) | 16086446 |
| ETTUR OÜ (former name Osaühing Ettur) | 11036248 |
| ETTEL OÜ | 12441181 |
| ETTOR OÜ | 16170939 |
| ETTEX OÜ | 14851718 |
| ELTNER GRUPP OÜ | 12387622 |
| LETTER1 OÜ | 16581750 |
| GETTER OÜ | 10946741 |
| EIKNER OÜ kustutatud | 12100899 |
| HEATNER OÜ | 16547479 |
| ARTNER OÜ | 14852899 |
| ETANERE OÜ | 16960535 |
| ETIGER OÜ | 11296653 |
| METSNER OÜ | 12568929 |
| KÜTNER OÜ | 12720923 |
| ETENOR OÜ | 11638510 |
| ESTNOR OÜ | 10706304 |
| ITTUNER OÜ kustutatud | 14402564 |
| ESTHER OÜ | 14880944 |
| ELENER OÜ kustutatud | 11950118 |
| BETONER OÜ kustutatud (former name Marico Betoon OÜ) | 12585276 |
| ESTTONER OÜ kustutatud | 12309458 |
| ERTMER OÜ kustutatud | 14014980 |
| ETTEK INVEST OÜ kustutatud | 12523884 |
| BETTER BUSINESS OÜ | 11679377 |
| ESTHER HEHAIHA OÜ | 16705808 |
| BETTER CHAIN OÜ | 16087049 |
| EVENER SOLUTIONS OÜ | 17249873 |
| ESTNEX EUROPE OÜ | 14861036 |
| BETTER BODIES OÜ | 17204801 |
| BETTER LIFE OÜ kustutatud | 12591466 |
| ESTMER INTERIOR OÜ | 16445402 |
| ARTNER MEDIA OÜ | 17074793 |
| HS KETTER OÜ | 16202852 |
| LETTER B OÜ | 16789188 |
| STAR LETTER OÜ | 11302000 |
| BETTER PRICE OÜ | 16024899 |
| GOOD BETTER OÜ | 17043261 |
| ESTMER COMPANY OÜ kustutatud (former name Estmer Company UÜ) | 12982770 |
| ESTGER TRADE OÜ | 12497980 |
| KUKS&KÜTTNER OÜ kustutatud | 11094837 |
| FETTLER SERVICE OÜ kustutatud | 12498962 |
| MARKETING LETTER OÜ kustutatud (former name Mais Kirjastus OÜ) | 12371902 |
| BETTER RADIOLOGY OÜ | 16324704 |
| BETTER MEDICINE OÜ (former name BMedicine OÜ) | 16093156 |
| ALWAYS BETTER OÜ kustutatud | 14510880 |