| Ettevõtte nimi | Reg. kood |
|---|---|
| ENERMA OÜ | 16409636 |
| ENERTA OÜ | 14998657 |
| ENERIA OÜ | 14785105 |
| ENERA OÜ | 10810378 |
| E-ENERGA OÜ | 12644582 |
| ENERGY EXPRESS ENERGIA OÜ | 14147468 |
| ENERMATIK OÜ kustutatud | 11957416 |
| ENERITA OÜ | 14116628 |
| ENERGI OÜ | 14997818 |
| ENERGY OÜ kustutatud (endine nimi OÜ Ulmus) | 10709188 |
| ENERGIA24 OÜ kustutatud | 11935136 |
| ENEMAR OÜ (endine nimi OÜ SolEner) | 14551956 |
| ENERMET OÜ (endine nimi Sino Action OÜ) | 11741550 |
| ENERIL OÜ | 16551050 |
| 5 ENERGIA OÜ (endine nimi Proinfra OÜ) | 12184888 |
| ENERGO OÜ | 16434781 |
| ENEREGA OÜ | 16840759 |
| ENEMAT OÜ | 10391125 |
| ENERLAB OÜ | 11302595 |
| 220 ENERGIA OÜ kustutatud | 12271081 |
| ENEREL OÜ | 11651657 |
| ENERIK OÜ kustutatud | 12221226 |
| INVICTA ENERGIA OÜ | 14193296 |
| AGRO ENERGO OÜ | 14951331 |
| 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 |
| W-ENERGIA OÜ (endine nimi Quantum Lights International OÜ) | 12225193 |
| PETROBUSINESS ENERGY OÜ (endine nimi DEPLU TRADE OÜ) | 16680474 |
| PROTEIN ENERGY OÜ | 16578907 |
| ASAPE ENERGIA OÜ | 12046289 |
| 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 |
| MT ENERGIA OÜ | 12336432 |
| ENERGIA MAAILM OÜ | 16004632 |
| NANOSOL ENERGY OÜ | 12273364 |