| TECC Limited | Private company limited by shares | Dissolved |
| Teccanfly Limited | | Live |
| TEC-CARE LIMITED | Private company limited by shares | Live |
| Teccelerate Solution Limited | | Live |
| TECCHIM LIMITED | Private company limited by shares | Dissolved |
| TEC-CITY LIMITED | Private company limited by shares | Live |
| TECCO LIMITED | Private company limited by shares | Dissolved |
| TECCO GROUP LIMITED | Private company limited by shares | Dissolved |
| TECCO HOLDING LIMITED | Private company limited by shares | Dissolved |
| TECCO INVESTMENTS LIMITED | Private company limited by shares | Live |
| TECCON LIMITED | Private company limited by shares | Dissolved |
| TECCON ASIA LIMITED | Private company limited by shares | Live |
| TECCOQ COMPANY LIMITED | Private company limited by shares | Live |