| Ettevõtte nimi | Reg. kood |
|---|---|
| ENERLEY OÜ kustutatud | 14784531 |
| ENERLY INNOVATIONS OÜ | 17133780 |
| ENERGEN OÜ | 12953509 |
| ENERDEX OÜ | 17419660 |
| ENERGET OÜ kustutatud | 14017961 |
| ENERSEN OÜ | 16275756 |
| ENERMET OÜ (endine nimi Sino Action OÜ) | 11741550 |
| ENERINY OÜ | 12807794 |
| ENERTEK OÜ (endine nimi Omrak OÜ) | 14011131 |
| ENERLOG OÜ (endine nimi GLOBAL SATCOM OÜ) | 12310496 |
| ENERLAB OÜ | 11302595 |
| ENERGEX OÜ (endine nimi Energex Energy Experts OÜ) | 14060193 |
| ENERVEX OÜ kustutatud | 11691326 |
| ENERGY OÜ kustutatud (endine nimi OÜ Ulmus) | 10709188 |
| ENERTE OÜ kustutatud | 16267030 |
| ENERTY OÜ kustutatud | 12692569 |
| ENELES OÜ | 16433592 |
| ENELLY OÜ kustutatud | 16047050 |
| ENELRY OÜ | 14116261 |
| ENELEM OÜ | 12905031 |
| ENEREL OÜ | 11651657 |
| ENERTEC GROUP OÜ | 12481815 |
| ENERTEC HOOLDUS OÜ | 14381141 |
| ENERTEC CONSULT OÜ kustutatud | 11456252 |
| ENERGEL ESTONIA OÜ (endine nimi Energel Trading OÜ) | 11019793 |
| GREEN ENERGY OÜ | 11126968 |
| CW ENERGY OÜ (endine nimi Coal-Wood Energy OÜ) | 14241279 |
| PAROX ENERGY OÜ | 14737514 |
| APP ENERGY OÜ | 14618502 |
| SECURE ENERGY OÜ (endine nimi Poomwald OÜ) | 12777337 |
| RAMAVA ENERGY OÜ | 12907294 |
| ASTEL ENERGY OÜ (endine nimi Asteltech Energy OÜ) | 17055525 |
| ENERGY PORT OÜ | 14785192 |
| ZZ ENERGY OÜ | 12301280 |
| SOLARIFY ENERGY OÜ | 16737470 |
| FINAL ENERGY OÜ | 14521949 |
| RING ENERGY OÜ | 16721977 |
| ENERGY CREATORS OÜ | 14772597 |
| LPG ENERGY OÜ | 16796188 |
| MRK ENERGY OÜ | 12609108 |
| PETROBUSINESS ENERGY OÜ (endine nimi DEPLU TRADE OÜ) | 16680474 |
| PROTEIN ENERGY OÜ | 16578907 |
| HIMBALT ENERGY OÜ (endine nimi Nordic Capital Consultancy OÜ) | 14237208 |
| ENERGY CLUB OÜ | 14384783 |
| NOBLE ENERGY OÜ (endine nimi Solutions OÜ) | 12328668 |
| ARTSOL ENERGY OÜ | 14751365 |
| NANOSOL ENERGY OÜ | 12273364 |
| OLSSON ENERGY OÜ | 14384062 |
| CLEAN ENERGY OÜ | 16287038 |
| PUSSI ENERGY OÜ | 17503320 |