| Company name | Reg. code |
|---|---|
| ENERTY OÜ kustutatud | 12692569 |
| ENERTA OÜ | 14998657 |
| ENERTO OÜ | 11765013 |
| ENERTE OÜ kustutatud | 16267030 |
| JUSO ENERGY OÜ | 12876329 |
| ENERGY CONSULT OÜ | 10883331 |
| PHH ENERGY OÜ kustutatud | 10907758 |
| ENERLY INNOVATIONS OÜ | 17133780 |
| NOVATOR ENERGY OÜ | 12603152 |
| SONCE ENERGY OÜ | 14856762 |
| KAAMOS ENERGY OÜ (former name Kaamos Trading OÜ) | 11695726 |
| ARS ENERGY OÜ kustutatud | 11509497 |
| ALTER ENERGY OÜ | 16960274 |
| EMERALD ENERGY OÜ | 12171936 |
| UONIC ENERGY OÜ | 14762570 |
| ENERGY BOOST OÜ | 16641913 |
| RN ENERGY OÜ | 14474523 |
| SCANDIC ENERGY OÜ kustutatud | 12052143 |
| GREEN ENERGY OÜ | 11126968 |
| PAROX ENERGY OÜ | 14737514 |
| CPO ENERGY OÜ | 16516496 |
| WESTERN ENERGY OÜ kustutatud | 11947820 |
| ALTARE ENERGY OÜ kustutatud | 12102792 |
| SOLID ENERGY OÜ kustutatud | 12651932 |
| TRILINI ENERGY OÜ kustutatud | 12817232 |
| PVA ENERGY OÜ (former name Red Cat Coin OÜ) | 14716630 |
| SIRIUS ENERGY OÜ | 14663106 |
| POSA ENERGY OÜ kustutatud | 14916139 |
| PROFUSION ENERGY OÜ | 12441620 |
| PURE ENERGY OÜ | 14029527 |
| HYDROGEN ENERGY OÜ (former name Parkpharma OÜ) | 16015469 |
| DELTA ENERGY OÜ kustutatud | 16183988 |
| ENERGY LIFE OÜ | 12202460 |
| US ENERGY OÜ kustutatud | 12019447 |
| FINAL ENERGY OÜ | 14521949 |
| MRK ENERGY OÜ | 12609108 |
| CW ENERGY OÜ (former name Coal-Wood Energy OÜ) | 14241279 |
| ASTEL ENERGY OÜ (former name Asteltech Energy OÜ) | 17055525 |
| F-ENERGY OÜ kustutatud | 12822658 |
| PETROBUSINESS ENERGY OÜ (former name DEPLU TRADE OÜ) | 16680474 |
| FIREWIND ENERGY OÜ kustutatud (former name iPeak International OÜ) | 12062236 |
| VAV ENERGY OÜ kustutatud | 12717424 |
| ZZ ENERGY OÜ | 12301280 |
| LPG ENERGY OÜ | 16796188 |
| SUNERON ENERGY OÜ kustutatud | 14559426 |
| KAIF-ENERGY OÜ kustutatud | 16126803 |
| ARTSOL ENERGY OÜ | 14751365 |
| RAMAVA ENERGY OÜ | 12907294 |
| HIMBALT ENERGY OÜ (former name Nordic Capital Consultancy OÜ) | 14237208 |
| PROTEIN ENERGY OÜ | 16578907 |