| Ettevõtte nimi | Reg. kood |
|---|---|
| UEC OÜ (endine nimi UE Consulting OÜ) | 12168791 |
| ULC OÜ | 16054736 |
| REC709 OÜ | 16306155 |
| UETC OÜ | 17483830 |
| SEC OÜ | 12700205 |
| 1SEC OÜ (endine nimi ListUP OÜ) | 14757994 |
| URC OÜ | 17340929 |
| YEC OÜ | 16982123 |
| TEC OÜ | 16875479 |
| UER OÜ | 14163438 |
| CEC OÜ | 11899989 |
| UFC OÜ | 12173869 |
| MEC24 OÜ (endine nimi Money Express Credit OÜ) | 12529131 |
| UCC OÜ (endine nimi Saare Anni OÜ) | 12516973 |
| 5SEC OÜ kustutatud | 12994589 |
| REC3 OÜ kustutatud | 16531892 |
| UEG OÜ kustutatud | 14301828 |
| QEC6 OÜ kustutatud | 16370845 |
| UVC19 OÜ kustutatud | 14955027 |
| REC10 OÜ kustutatud | 14576092 |
| GEC ESTONIA OÜ | 10993887 |
| FEC GROUP OÜ | 12639492 |
| UCE ASSETS OÜ | 16325164 |
| UBC AVIASOLUTIONS OÜ | 17066411 |
| UBC PROMO OÜ | 12104503 |
| GEC CONSULTING OÜ | 17263637 |
| GRIS SEC OÜ (endine nimi Verified Security OÜ) | 16129581 |
| EEC INVESTMENTS OÜ | 11105179 |
| 29SEC AGENCY OÜ | 17292366 |
| AI4SEC OÜ | 16087345 |
| AICAM SEC OÜ (endine nimi Bondstone OÜ) | 11401435 |
| UDC COMMERCE OÜ | 17208963 |
| REVALA REC OÜ | 11330953 |
| UMC KINNISVARA OÜ | 14965221 |
| KG SEC OÜ | 14744738 |
| UCE CONCERTS OÜ | 14844316 |
| ORVOS TEC OÜ | 10168373 |
| LEKS-SEC OÜ | 11069621 |
| VESMEL REC OÜ | 11216625 |
| B-DEC OÜ | 14223086 |
| OPS4SEC OÜ | 16071060 |
| DIN-TEC OÜ | 16504518 |
| UEE HOLDING OÜ (endine nimi EE Uksed OÜ) | 14062884 |
| IEC GRUPP OÜ | 10355856 |
| ZEC LEATHER OÜ | 16339108 |
| LËC MÉDIA OÜ | 17268869 |
| PSY REC OÜ | 12384684 |
| PROMECOM REC OÜ | 10433898 |
| UCC ICO OÜ (endine nimi Central Ledger OÜ) | 14537732 |
| VAULT-TEC OÜ | 17453384 |