| Ettevõtte nimi | Reg. kood |
|---|---|
| ENERGY OÜ kustutatud (endine nimi OÜ Ulmus) | 10709188 |
| U ENERGY OÜ | 14128270 |
| L ENERGY OÜ | 16038418 |
| A+ENERGY OÜ | 16211779 |
| KC ENERGY OÜ (endine nimi Combiwood Energy OÜ) | 16051063 |
| ZZ ENERGY OÜ | 12301280 |
| CW ENERGY OÜ (endine nimi Coal-Wood Energy OÜ) | 14241279 |
| RN ENERGY OÜ | 14474523 |
| HG ENERGY OÜ | 14743897 |
| TE ENERGY OÜ | 16862152 |
| RF ENERGY OÜ | 12885653 |
| SD ENERGY OÜ | 16267461 |
| KH ENERGY OÜ | 16746799 |
| KT ENERGY OÜ | 11936880 |
| RS ENERGY OÜ | 16093943 |
| JS ENERGY OÜ | 14348480 |
| US ENERGY OÜ | 16940573 |
| IB ENERGY OÜ (endine nimi OÜ Ergola Grupp) | 10818820 |
| GE ENERGY OÜ | 12997903 |
| PR ENERGY OÜ | 16438336 |
| ND ENERGY OÜ | 16294593 |
| AK ENERGY OÜ | 17552079 |
| TM ENERGY OÜ | 10828349 |
| PB ENERGY OÜ | 12345589 |
| VK ENERGY OÜ | 16615672 |
| FS ENERGY OÜ | 16819334 |
| O3 ENERGY OÜ | 14291372 |
| BF ENERGY OÜ | 16679946 |
| R8 ENERGY OÜ | 16673505 |
| EV ENERGY OÜ kustutatud | 12085473 |
| CPO ENERGY OÜ | 16516496 |
| APP ENERGY OÜ | 14618502 |
| PVA ENERGY OÜ (endine nimi Red Cat Coin OÜ) | 14716630 |
| MRK ENERGY OÜ | 12609108 |
| CSW ENERGY OÜ | 17500385 |
| LPG ENERGY OÜ | 16796188 |
| WWB ENERGY OÜ | 17183772 |
| LAL ENERGY OÜ | 17498091 |
| BMG ENERGY OÜ | 16388644 |
| ONE ENERGY OÜ | 12481588 |
| ECO ENERGY OÜ | 16778014 |
| WSL ENERGY OÜ (endine nimi WSL Holding OÜ) | 10861750 |
| GAS ENERGY OÜ | 11516652 |
| IMG ENERGY OÜ | 10848748 |
| RVG ENERGY OÜ (endine nimi OM Engineering Group OÜ) | 14346736 |
| DOT ENERGY OÜ | 12794790 |
| SLG ENERGY OÜ | 11023487 |
| QTH ENERGY OÜ (endine nimi OÜ QTH Metall) | 14640660 |
| JMT ENERGY OÜ | 17330730 |
| NRG ENERGY OÜ | 17353754 |