| Company name | Reg. code |
|---|---|
| SEVECON OÜ | 12929712 |
| SEVECO OÜ kustutatud (former name Hansa Katusepartner OÜ) | 11099935 |
| SEVERON GROUP OÜ kustutatud | 11967129 |
| SEVENCON EHITUS OÜ | 14031435 |
| SEVERON GRUPP OÜ (former name Severon Ehitus UÜ) | 16598620 |
| SEVECO SERVICE OÜ kustutatud | 10593705 |
| SEVENCORN OÜ | 16441640 |
| BERINGIN KAMPUNK OÜ (former name Severon Trade OÜ) | 14246816 |
| SEVIRON OÜ kustutatud | 10403058 |
| SEVEROL OÜ (former name Severol UÜ) | 16349058 |
| SYVECON OÜ | 17066256 |
| EVECON OÜ (former name Pähklimäe Põllud OÜ) | 10340286 |
| SEVEN OÜ | 16548496 |
| 24SEVEN OÜ | 12281139 |
| RIVECON OÜ | 14800968 |
| LEVACON OÜ kustutatud | 10380222 |
| LEXECON OÜ | 12168667 |
| SERLCON OÜ | 17133716 |
| REVERON OÜ | 16452112 |
| ESMECON OÜ | 11266161 |
| FEBECON OÜ kustutatud | 16109271 |
| DIVECON OÜ (former name Dimitri Verhelst Consulting OÜ) | 14416885 |
| DEVETON OÜ kustutatud | 12136414 |
| RETECON OÜ kustutatud | 14213811 |
| SAVOCON OÜ kustutatud | 12643772 |
| METECON OÜ | 17295873 |
| LEVECKON OÜ | 14624276 |
| REVEKON OÜ kustutatud | 16049072 |
| HEMECON OÜ | 10731354 |
| HEVERON OÜ | 11143263 |
| DEVELON OÜ | 16438023 |
| SAFECON OÜ | 17479745 |
| JAVECON OÜ | 12443613 |
| MEVEKON OÜ (former name Mevekon UÜ) | 14603044 |
| KEHECON OÜ | 12637524 |
| DEVERON OÜ | 12328651 |
| EVERCON OÜ | 16866090 |
| SEILCON OÜ | 17309658 |
| SEMICON OÜ | 12895172 |
| SEVERO VARA OÜ kustutatud | 11297753 |
| EVECON RISTI OÜ (former name Pataste Põllud ja Metsad OÜ) | 10816990 |
| EVECON RAJU OÜ | 17131605 |
| EVECON SOLAR 451 OÜ (former name UÜ Evecon Solar 451) | 16104836 |
| EVECON LIHULA OÜ (former name Evecon Kullama OÜ) | 10816300 |
| EVECON SOLARPARKS 2 OÜ kustutatud | 16864582 |
| EVECON SOLAR 427 OÜ (former name UÜ Evecon Solar 427) | 16104013 |
| EVECON SINDI OÜ | 10340062 |
| EVECON SOLAR 437 OÜ (former name UÜ Evecon Solar 437) | 16104188 |
| EVECON LUNGU OÜ (former name UÜ Evecon Lungu) | 16103541 |
| EVECON KÄDVA OÜ (former name UÜ Evecon Kädva) | 16103529 |