| Company name | Reg. code |
|---|---|
| ELSECON OÜ kustutatud | 16173493 |
| ELSON OÜ | 16136256 |
| ELSEC OÜ | 14913750 |
| ENGECON OÜ | 14253101 |
| ROSECON OÜ | 16463481 |
| LEXECON OÜ | 12168667 |
| ELEMCON OÜ | 14655331 |
| ESMECON OÜ | 11266161 |
| ELITCON OÜ kustutatud | 12365988 |
| ELWICON OÜ | 14198359 |
| EKSELON OÜ | 10888896 |
| EXPECON OÜ | 12811525 |
| WISECON OÜ | 12677133 |
| ERSEKON OÜ kustutatud | 10165423 |
| ENTECON OÜ | 16286145 |
| ERMECON OÜ kustutatud | 12827064 |
| ELNECO OÜ | 14035953 |
| ESTCON OÜ | 10111700 |
| ELETON OÜ | 14625229 |
| EVECON OÜ (former name Pähklimäe Põllud OÜ) | 10340286 |
| ELICON OÜ kustutatud | 12682418 |
| ELTECO OÜ | 14133153 |
| ELBERON GRUPP OÜ kustutatud | 10526223 |
| ESTECON SOLUTIONS OÜ (former name Mespro OÜ) | 16325052 |
| EXTECON CAPITAL OÜ | 16687631 |
| ELVERON TEENUS OÜ (former name Elveron Teenus UÜ) | 17178067 |
| ERSEKON RAKENNUS OÜ kustutatud | 14480452 |
| ELTECOM SOLUTIONS OÜ | 16166145 |
| EVECON RISTI OÜ (former name Pataste Põllud ja Metsad OÜ) | 10816990 |
| ELEXON AUTOMATION OÜ | 12428944 |
| ELERON REKLAAM OÜ | 11422365 |
| ESSCON GRUPP OÜ | 16989154 |
| ELECOM LOGISTIKA OÜ | 12190879 |
| ESECOM INTERNATIONAL OÜ | 11502176 |
| EVECON RAJU OÜ | 17131605 |
| ELERON ESTONIA OÜ kustutatud | 12427324 |
| ELEVON KINNISVARA OÜ | 12002381 |
| ENECON CONSULT OÜ | 14814367 |
| EYECON ENGINEER OÜ | 14697996 |
| ELMECO TAXI OÜ (former name Econook OÜ) | 14768868 |
| ELICON HOLDING OÜ (former name Elicon Holding UÜ) | 14278804 |
| EXECON GROWTH OÜ | 17478208 |
| EVECON SOLAR 451 OÜ (former name UÜ Evecon Solar 451) | 16104836 |
| EVECON LIHULA OÜ (former name Evecon Kullama OÜ) | 10816300 |
| ESTCON MANAGEMENT OÜ | 11558449 |
| EVECON SOLARPARKS 2 OÜ kustutatud | 16864582 |
| ELECOM CONSULTING OÜ | 11678343 |
| ELEVON ALUBET OÜ | 17057211 |
| ELEVON ÄRIMAJAD OÜ (former name Elevon Haapsalu OÜ) | 17012148 |
| EVECON SOLAR 427 OÜ (former name UÜ Evecon Solar 427) | 16104013 |