| Shenzhen Tekn Energy LED Co. Limited | Private company limited by shares | Live |
| TEKNICA LIMITED | Private company limited by shares | Dissolved |
| CIL TEKNIK SOGUTMA AND ELEKTRIK MALZEMELERI SAN. TIC. LIMITED | Private company limited by shares | Dissolved |
| TEKNIKA CHINA LIMITED | Private company limited by shares | Dissolved |
| TEKNIKA SOLISINDO INCORPORATION LIMITED | Private company limited by shares | Dissolved |
| Company name - Teknikoz consulting Co Limited | | Live |
| TEKNI-PLEX (HONG KONG) LIMITED | Private company limited by shares | Live |
| TEKNISKIL LIMITED | Private company limited by shares | Dissolved |
| Tekno HK Limited | Private company limited by shares | Live |
| Tekno Cater Limited | Private company limited by shares | Live |
| TEKNO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TeknoAVR Limited | Private company limited by shares | Live |
| Teknobuilt Limited | Private company limited by shares | Live |
| TEKNOFLOR SUPPLY LIMITED | Private company limited by shares | Live |
| TEKNOLED HK CO., LIMITED | Private company limited by shares | Live |
| TEKNOLED LIGHTING CO., LIMITED | Private company limited by shares | Live |
| TEKNOLINK LIMITED | Private company limited by shares | Dissolved |
| TEKNOMED PTE LIMITED | Private company limited by shares | Live |
| TEKNOPRESS LIMITED | Private company limited by shares | Dissolved |
| Teknos Limited | | Live |
| TEKNOSERVICES LIMITED | Private company limited by shares | Live |
| TEKNOTE HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| TEKNOWARE OY LIMITED | Private company limited by shares | Dissolved |
| Teknub Sourcing Limited | Private company limited by shares | Live |
| TEKNY LIMITED | Private company limited by shares | Dissolved |