| Ettevõtte nimi | Reg. kood |
|---|---|
| ENERGYON OÜ kustutatud | 11975495 |
| ENERGON OÜ kustutatud | 11252259 |
| AL ENERGION OÜ | 11379928 |
| ENERGRIN OÜ | 16951938 |
| ENERGYFY OÜ | 14995908 |
| ENERGYSYN OÜ kustutatud | 12658510 |
| ENERGEN OÜ | 12953509 |
| ENERGYS OÜ | 17187787 |
| ENERGIO OÜ | 12678210 |
| ENERION OÜ | 17504124 |
| ENERGO OÜ | 16434781 |
| ENERGY OÜ kustutatud (endine nimi OÜ Ulmus) | 10709188 |
| ENERGYSYN GROUP OÜ kustutatud | 12756602 |
| KAAMOS ENERGY OÜ (endine nimi Kaamos Trading OÜ) | 11695726 |
| KC ENERGY OÜ (endine nimi Combiwood Energy OÜ) | 16051063 |
| ENERGO MANAGEMENT OÜ (endine nimi Dakota Grupp OÜ) | 10647599 |
| EMERALD ENERGY OÜ (endine nimi Emerald Travel OÜ) | 12171936 |
| ALTER ENERGY OÜ | 16960274 |
| SONCE ENERGY OÜ | 14856762 |
| CPO ENERGY OÜ | 16516496 |
| ENERGY CONSULT OÜ (endine nimi OÜ Landhausgrupp) | 10883331 |
| PETROBUSINESS ENERGY OÜ (endine nimi DEPLU TRADE OÜ) | 16680474 |
| ZZ ENERGY OÜ | 12301280 |
| ENERGY CREATORS OÜ | 14772597 |
| SOLARIFY ENERGY OÜ | 16737470 |
| SECURE ENERGY OÜ (endine nimi Poomwald OÜ) | 12777337 |
| ENERGO-LINE OÜ | 10813075 |
| SIRIUS ENERGY OÜ | 14663106 |
| ENERGY BOOST OÜ | 16641913 |
| UONIC ENERGY OÜ | 14762570 |
| NOVATOR ENERGY OÜ | 12603152 |
| JUSO ENERGY OÜ | 12876329 |
| APP ENERGY OÜ | 14618502 |
| ARTSOL ENERGY OÜ | 14751365 |
| VIRU ENERGO OÜ (endine nimi NRG HoldCo 2 OÜ) | 17164378 |
| PVA ENERGY OÜ (endine nimi Red Cat Coin OÜ) | 14716630 |
| HYDROGEN ENERGY OÜ (endine nimi Parkpharma OÜ) | 16015469 |
| ENERGY PORT OÜ | 14785192 |
| RING ENERGY OÜ | 16721977 |
| NOBLE ENERGY OÜ (endine nimi Solutions OÜ) | 12328668 |
| MRK ENERGY OÜ | 12609108 |
| AGRO ENERGO OÜ | 14951331 |
| PAROX ENERGY OÜ | 14737514 |
| ENERGY CLUB OÜ | 14384783 |
| GREEN ENERGY OÜ | 11126968 |
| FINAL ENERGY OÜ | 14521949 |
| CW ENERGY OÜ (endine nimi Coal-Wood Energy OÜ) | 14241279 |
| RN ENERGY OÜ | 14474523 |
| CSW ENERGY OÜ | 17500385 |
| ENERGY LIFE OÜ | 12202460 |