| Ettevõtte nimi | Reg. kood |
|---|---|
| TECSYS OÜ kustutatud | 11548675 |
| TECHSYS ADVISORY SERVICES OÜ | 17359969 |
| TECBAS OÜ | 16839348 |
| TECTIS OÜ | 10067206 |
| TECHNYS OÜ | 16126571 |
| TECARS OÜ | 10279776 |
| TECTUS CONSULT OÜ | 12814848 |
| TECOS COSRTRUZIONI OÜ | 14085158 |
| AIML TECHS OÜ kustutatud | 14459021 |
| TERSYS GROUP OÜ | 14499262 |
| TERSIS OÜ | 10504826 |
| MESSYS OÜ | 16948132 |
| TIXSYS OÜ | 14426560 |
| TERSUS OÜ kustutatud | 12025258 |
| NETSYS OÜ | 11220615 |
| TEDDYS OÜ | 17114854 |
| WEBSYS OÜ | 11400582 |
| TEKSOS OÜ kustutatud | 12690636 |
| RESYS OÜ | 12859733 |
| ELSYS OÜ | 14250433 |
| TEISS OÜ | 16596684 |
| TETHYS TRADE OÜ kustutatud | 14603038 |
| TAGSYS CREATIVE OÜ | 10799317 |
| THUSYS BALTIC OÜ kustutatud | 12332003 |
| TERSUS EHITUS OÜ | 17174738 |
| TERSUS HOME OÜ | 16681999 |
| MEDICAL TESTS OÜ | 16438709 |
| HEALTH TESTS OÜ | 12702440 |
| KRUVIVAI OÜ | 12585566 |
| NORDIC TERSUS LABORATORY OÜ | 12561442 |
| TELKYS BUSINESS & SERVICES OÜ kustutatud | 14166796 |
| TESS MOTORS OÜ | 12276109 |
| TESS SYSTEM OÜ kustutatud | 12829643 |
| TESS CONSTRUCTION OÜ | 16556165 |
| TESS EHITUS OÜ | 14847533 |
| TESS-M OÜ | 14889715 |
| TESS & MAGIC ROME OÜ | 16868321 |