| Company name | Reg. code |
|---|---|
| CTT OÜ | 10858907 |
| CTT LOGISTIC OÜ | 12084893 |
| TBC-CTT OÜ kustutatud (former name Eastern Invest OÜ) | 11784370 |
| CTTC HDL. OÜ (former name MCR Logistika OÜ) | 11356349 |
| CTTGLOBAL OÜ | 16366826 |
| CKT OÜ | 12952898 |
| ATT OÜ kustutatud | 12617355 |
| CTC OÜ kustutatud | 14022583 |
| CRT 2000 OÜ (former name Larnaka OÜ) | 14445651 |
| NTT OÜ | 10045593 |
| CTB OÜ | 16686436 |
| ETT OÜ kustutatud | 14038147 |
| HTT OÜ kustutatud | 12017520 |
| MTT OÜ kustutatud | 10112295 |
| ATT OÜ | 17206533 |
| CMT OÜ | 12446008 |
| CUTT OÜ | 14541886 |
| CTM OÜ | 14068028 |
| DTT OÜ (former name OÜ Dan-Tom Trading) | 11629988 |
| OTT OÜ | 12191264 |
| ETT OÜ kustutatud | 16572773 |
| CAT CLINIC OÜ | 14746358 |
| ATT EKSPERT OÜ | 11144311 |
| ATT PRINTING OÜ | 11142128 |
| CPTT CONSULT OÜ kustutatud | 14131496 |
| KTT FUR OÜ | 14678378 |
| CRT-INTELLECT OÜ kustutatud | 10693458 |
| FTT ARMENIA OÜ | 12104638 |
| FTT UKRAINA OÜ | 12104396 |
| CBT NK OÜ | 12414853 |
| GTT INVEST OÜ kustutatud | 12194831 |
| OTT INVEST OÜ | 11272776 |
| CTX INFORMATICS OÜ kustutatud | 14289889 |
| CTB HOLDING OÜ | 17046236 |
| ITT DEVELOPERS OÜ | 14257990 |
| CUT BRANDS OÜ | 16307143 |
| ATT MARK OÜ kustutatud | 11144647 |
| CST PAIGALDUS OÜ kustutatud | 14731322 |
| OTT SYSTEMS OÜ | 10879737 |
| CFT HOLDING OÜ kustutatud | 14851463 |
| CTG&CAR OÜ | 17091001 |
| KNTE CPTT OÜ kustutatud (former name OÜ ERKA Invest) | 11704098 |
| CUT-POINT OÜ | 12523080 |
| CTC CONSTRUCTION OÜ (former name Fektur Grupp OÜ) | 11226765 |
| CTC RECYCLING OÜ kustutatud (former name JÄÄTMEPROFF OÜ) | 11525846 |
| HTT VEOD OÜ | 14458091 |
| BENHEILON CRT OÜ (former name Baumarr Solutions OÜ) | 14770339 |
| OTT TRADE OÜ | 12149411 |
| JTT WORKER OÜ kustutatud | 14031228 |
| OTT&MATILDA OÜ | 17071458 |