| Company name | Reg. code |
|---|---|
| SYVECON OÜ | 17066256 |
| SEVECON OÜ | 12929712 |
| RIVECON OÜ | 14800968 |
| SYLVEON OÜ (former name WellBoat OÜ) | 12357865 |
| SAVOCON OÜ kustutatud | 12643772 |
| SYLYCON OÜ kustutatud | 16244164 |
| DIVECON OÜ (former name Dimitri Verhelst Consulting OÜ) | 14416885 |
| SAFECON OÜ | 17479745 |
| SOMECON OÜ | 14885456 |
| SINECON OÜ | 12638374 |
| JAVECON OÜ | 12443613 |
| SYNERON OÜ | 17369577 |
| SVERON OÜ (former name Aktsiaselts Sveron) | 10026911 |
| EVECON OÜ (former name Pähklimäe Põllud OÜ) | 10340286 |
| SEVECO OÜ kustutatud (former name Hansa Katusepartner OÜ) | 11099935 |
| SYSCON OÜ | 12628241 |
| SUVECO OÜ | 11976000 |
| SEVERON GROUP OÜ kustutatud | 11967129 |
| SEVENCON EHITUS OÜ | 14031435 |
| SAVERON GRUPP OÜ kustutatud (former name Saveron Grupp UÜ) | 14014135 |
| SEVERON GRUPP OÜ (former name Severon Ehitus UÜ) | 16598620 |
| MAVECON GROUP OÜ (former name Mavecon Group UÜ) | 14913359 |
| NOVECON NORD OÜ | 17371019 |
| SVCON OÜ | 14913388 |
| SEVECO SERVICE OÜ kustutatud | 10593705 |
| SYNCON TRUST OÜ | 12526581 |
| EVECON RISTI OÜ (former name Pataste Põllud ja Metsad OÜ) | 10816990 |
| EYECON ENGINEER OÜ | 14697996 |
| EVECON SINDI OÜ | 10340062 |
| EVECON SOLAR 437 OÜ (former name UÜ Evecon Solar 437) | 16104188 |
| EVECON WIND OÜ (former name ELEA OÜ) | 10340323 |
| EVECON LUNGU OÜ (former name UÜ Evecon Lungu) | 16103541 |
| EVECON KÄDVA OÜ (former name UÜ Evecon Kädva) | 16103529 |
| EVECON PÜSSI OÜ (former name Evecon Solar 431 OÜ) | 16104115 |
| EVECON SAKU OÜ (former name Põrvetu Põllud OÜ) | 10340292 |
| EVECON SOLAR 461 OÜ (former name UÜ Evecon Solar 461) | 16104931 |
| EVECON KINNISTUD OÜ (former name Põitse Põllud ja Metsad OÜ) | 10340168 |
| EVECON SOLAR 440 OÜ (former name UÜ Evecon Solar 440) | 16104227 |
| EVECON VALGA OÜ (former name Riigimetsa OÜ) | 10817021 |
| EVECON SOLAR 421 OÜ kustutatud (former name UÜ Evecon Solar 421) | 16103601 |
| EVECON SOLAR 403 OÜ kustutatud (former name UÜ Evecon Solar 403) | 16103386 |
| EVECON SOLAR 424 OÜ kustutatud (former name UÜ Evecon Solar 424) | 16103989 |
| EVECON SOLAR 10 OÜ kustutatud (former name Evecon Solar 10 UÜ) | 14933534 |
| EVECON SOLAR 19 OÜ kustutatud (former name Evecon Solar 19 UÜ) | 14933511 |
| EVECON SOLAR 12 OÜ kustutatud (former name Evecon Solar 12 UÜ) | 14931729 |
| EVECON SOLAR 18 OÜ kustutatud (former name Evecon Solar 18 UÜ) | 14931334 |
| EVECON SOLAR 11 OÜ kustutatud (former name Evecon Solar 11 UÜ) | 14931535 |
| EVECON SOLAR 2 OÜ kustutatud (former name Evecon Solar 2 UÜ) | 14930665 |
| EVECON SOLAR 13 OÜ kustutatud (former name Evecon Solar 13 UÜ) | 14931601 |
| EVECON SOLAR 20 OÜ kustutatud (former name Evecon Solar 20 UÜ) | 14931682 |