| Ettevõtte nimi | Reg. kood |
|---|---|
| TBL OÜ (endine nimi TBL Tartu OÜ) | 12220922 |
| TBE OÜ | 12674028 |
| TBX OÜ | 17385837 |
| TSL OÜ | 10379101 |
| TVL OÜ | 16167724 |
| TRL 2 OÜ | 12823563 |
| GBL OÜ | 14820899 |
| TNL OÜ | 16414703 |
| KBL OÜ | 12771263 |
| RBL OÜ | 14752614 |
| TBNL OÜ kustutatud | 16628717 |
| TBK OÜ kustutatud | 12197692 |
| TCL OÜ kustutatud (endine nimi OÜ EHITUSTÖÖDE PROJEKT) | 12174455 |
| TBC OÜ kustutatud | 12430527 |
| HBL OÜ kustutatud | 10416374 |
| TVL KATIRA OÜ | 10713497 |
| TBC INTERNATIONAL OÜ (endine nimi The Best Company OÜ) | 16811321 |
| TML DIGITAL OÜ | 16377117 |
| ABL INVESTMENT OÜ | 14562629 |
| TBG CONSULTING OÜ | 17359082 |
| TML INVEST OÜ | 16297091 |
| TNL VARAD OÜ | 12771553 |
| TVL INVEST OÜ | 14483829 |
| SBL HOLDING OÜ | 14584944 |
| TBG INVEST OÜ (endine nimi Bernwood OÜ) | 11094091 |
| TBK LAHENDUSED OÜ | 14318697 |
| TRANSPORT TLL OÜ | 17186954 |
| HBL WEAR OÜ | 17349942 |
| TVL PLUSS OÜ | 12633124 |
| TKL KAUBANDUSE OÜ | 11310991 |
| TBS ESTONIA OÜ | 11041522 |
| TBK SOLUTIONS OÜ | 16778049 |
| TBK HALDUS OÜ | 17501930 |
| KBL TR OÜ | 14523894 |
| DORPAT KBL OÜ | 16587384 |
| TBB FORVART OÜ | 16134033 |
| BLUE TEL OÜ | 16137942 |
| TBD PHARMATECH OÜ (endine nimi osaühing TBD-Biodiscovery) | 11204964 |
| TSL PROJEKT OÜ | 14455164 |
| TOL GRUPP OÜ | 16389371 |
| STARTLINE BBL OÜ | 17157616 |
| SBL CONCERTS OÜ | 17363327 |
| TKL INDUSTRIES OÜ | 14240357 |
| MAECTRO ABL OÜ | 12998825 |
| BTL GLOBAL OÜ | 14035083 |
| TML KAPITAL OÜ | 14146304 |
| CONSUL TTL OÜ | 10912535 |
| ACCENT TCL OÜ | 14256312 |
| TPL CONCEPT OÜ | 17140478 |
| TBJ INVEST OÜ | 16790103 |