| Company name | Reg. code |
|---|---|
| CTC OÜ kustutatud | 14022583 |
| CTC POWER OÜ | 11740833 |
| CTC ARENDUS OÜ kustutatud (former name Ihaste Arendus OÜ) | 14380561 |
| CTC HOLDING OÜ kustutatud | 11468723 |
| CTC RECYCLING OÜ kustutatud (former name JÄÄTMEPROFF OÜ) | 11525846 |
| CTC CONTRACTS OÜ (former name TREKIT OÜ) | 14364131 |
| CTC CONSTRUCTION OÜ (former name Fektur Grupp OÜ) | 11226765 |
| CTC CAPITAL TRADING COMPANY OÜ | 12556955 |
| CTCGATE OÜ (former name CoinToCoin OÜ) | 16201048 |
| CTCOORDINATOR OÜ | 14926540 |
| 235CCC OÜ kustutatud | 14452740 |
| ETC OÜ kustutatud | 12249555 |
| KTC OÜ | 16545517 |
| CTB OÜ | 16686436 |
| LTC OÜ | 14860284 |
| CTT OÜ | 10858907 |
| CPC OÜ kustutatud | 12674465 |
| NTC OÜ kustutatud (former name Nordic Transport Chemicals OÜ) | 12407942 |
| CTOC OÜ (former name Crypto2Cash OÜ) | 14781171 |
| CCC OÜ | 10079072 |
| CXC OÜ | 16230475 |
| CRC OÜ | 11077017 |
| CSC OÜ | 16255570 |
| CTM OÜ | 14068028 |
| BTC OÜ | 10308727 |
| FTC OÜ | 14444151 |
| CEC OÜ | 11899989 |
| ATC SOLUTION OÜ kustutatud | 12708023 |
| 1CJC CONSULT OÜ | 16263871 |
| CBC LAB. OÜ | 12009236 |
| ALUMBRA GTC OÜ kustutatud | 12142082 |
| CTX INFORMATICS OÜ kustutatud | 14289889 |
| GTC CONSTRUCTIONS OÜ | 12392790 |
| GROOVESTAR GTC OÜ kustutatud | 11953163 |
| ITAMO ATC OÜ | 14888696 |
| GTC CENTRAL OÜ kustutatud | 11740533 |
| KTC MANAGEMENT OÜ | 16804640 |
| CTB HOLDING OÜ | 17046236 |
| CTG&CAR OÜ | 17091001 |
| SAARE CNC OÜ | 12370096 |
| ETC30C OÜ (former name EEDU SALES CONSULTING OÜ) | 14634168 |
| CVC LOGISTICS OÜ kustutatud | 12651671 |
| CYC4ARTS OÜ | 17327030 |
| CTR HOLDING OÜ | 16986397 |
| FTC AIRY OÜ | 11747512 |
| EUROMAXIMUS CNC OÜ | 11714671 |
| ARTIUM ITC OÜ | 10136516 |
| CHTC EESTI OÜ | 16904407 |
| KRUH ITC OÜ | 14451611 |
| ALBI CTF OÜ | 10370560 |