| Company name | Reg. code |
|---|---|
| ECP OÜ | 12001915 |
| ECP TRADE OÜ kustutatud | 14075705 |
| ECP GROUP EE OÜ | 14127916 |
| ECPR OÜ kustutatud | 14455773 |
| ECPOINT OÜ (former name Komva OÜ) | 11581566 |
| CEP08 OÜ | 14368063 |
| EXP OÜ | 12593011 |
| ECT OÜ kustutatud | 12311490 |
| ECF OÜ | 16447186 |
| ERP OÜ | 10725678 |
| EPP OÜ | 10053090 |
| ECH20 OÜ kustutatud | 11931204 |
| ECC OÜ | 12303378 |
| ESP OÜ | 14273138 |
| ETP OÜ | 12156492 |
| ECO100 OÜ | 14925931 |
| ECO OÜ kustutatud | 12042722 |
| ECS OÜ | 10459065 |
| ECM OÜ kustutatud | 12263222 |
| EAP OÜ | 12863338 |
| EVP OÜ | 12136667 |
| EUP OÜ | 16054096 |
| ELP 68 OÜ | 14930441 |
| EPC OÜ | 14861616 |
| EMP365 OÜ | 14904739 |
| ECO ADVICE OÜ | 10959152 |
| EIP HALDUS OÜ | 12780380 |
| ECO WORLD OÜ | 14769193 |
| EFP COMPANY OÜ | 12763536 |
| ECO4TOURISM OÜ | 16915693 |
| EPC RECYCLING OÜ | 14689904 |
| ICP MANAGEMENT OÜ | 11713157 |
| ERP ACADEMY OÜ | 16501164 |
| ECO.LIVING OÜ | 16741106 |
| EOP MW OÜ kustutatud | 12321927 |
| ERP BALTIC OÜ kustutatud | 11042964 |
| ECC GROUP OÜ | 14088949 |
| EPP HELISTE OÜ | 16733182 |
| ECO-ST OÜ | 10893068 |
| ECO-BETOON OÜ | 16470759 |
| ECO RIDE OÜ (former name Synergy Power OÜ) | 12703215 |
| ECO BRAND OÜ | 12254272 |
| ECO BENELUX OÜ kustutatud | 16672517 |
| ECO MAMMAS OÜ kustutatud | 16302861 |
| ECO TORU OÜ (former name Kinza Grill OÜ) | 14264636 |
| ELP INVEST OÜ | 16770473 |
| ECO SEPTIC OÜ | 16806923 |
| ECO-MOS OÜ kustutatud | 11430330 |
| ECO KODU OÜ kustutatud | 12248610 |
| EPC CORPORATE OÜ | 11509058 |