| TECK TAI LIMITED | Private company limited by shares | Live |
| TECK ON & COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIU TECK COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECK WEE LIMITED | Private company limited by shares | Live |
| SAN TECK COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOY TECK LIMITED | Private company limited by shares | Dissolved |
| TECK WO LIMITED | Private company limited by shares | Dissolved |
| HAI TECK COMPANY LIMITED | Private company limited by shares | Live |
| TECK WAY LIMITED | Private company limited by shares | Dissolved |
| HK AM XIN TECK LIMITED | Private company limited by shares | Live |
| TOY TECK LIMITED | Private company limited by shares | Live |
| TECK WAY LIMITED | Private company limited by shares | Live |
| BELL TECK LIMITED | Private company limited by shares | Dissolved |
| DRAGON TECK LIMITED | Private company limited by shares | Live |
| THONG TECK INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| KWANG TECK SIANG TRADING LIMITED | Private company limited by shares | Live |
| TECKEASE LIMITED | Private company limited by shares | Dissolved |
| TECKEEN & COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECKEY LIMITED | Private company limited by shares | Dissolved |
| TecKey Solutions Limited | | Live |
| TECKFIELD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TECKFORD LIMITED | Private company limited by shares | Dissolved |
| TECKFORD LIMITED | Private company limited by shares | Live |
| TECKFORD PROPERTY LIMITED | Private company limited by shares | Dissolved |
| TECKFUL INVESTMENT LIMITED | Private company limited by shares | Live |
| TECKFUL PLASTIC MANUFACTORY LIMITED | Private company limited by shares | Live |
| TECKIE LIMITED | Private company limited by shares | Live |
| TECKIN LIMITED | Private company limited by shares | Dissolved |
| Teckin Circuits Limited | Private company limited by shares | Live |
| TECKING LIMITED | Private company limited by shares | Live |
| Teckle Solutions Limited | Private company limited by shares | Live |
| TECKLINE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TECKLY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SAM TECKLY TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECKMETRO LIMITED | Private company limited by shares | Dissolved |
| TECKNIGHT LIMITED | Private company limited by shares | Live |
| AMS TECKNIK LIMITED | Private company limited by shares | Live |
| TECKO LIMITED | Private company limited by shares | Dissolved |
| TECKO LIMITED | Private company limited by shares | Dissolved |
| TECKO (ASIA) LIMITED | Private company limited by shares | Live |
| TECKO (CHINA) LIMITED | Private company limited by shares | Dissolved |
| TECKO ELECTRO-PLATING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECKO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TECKO GLOVES LIMITED | Private company limited by shares | Dissolved |
| TECKO METAL LIMITED | Private company limited by shares | Dissolved |
| Tecko Trading Limited | Private company limited by shares | Live |
| TECKON LIMITED | Private company limited by shares | Dissolved |
| TECKON LIMITED | Private company limited by shares | Live |
| TECKON (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TECKON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TECKON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Teckon Precision Limited | | Live |
| TECKSOM INVESTMENT LIMITED | Private company limited by shares | Live |
| TECKSON LIMITED | Private company limited by shares | Dissolved |
| TECKSON ASIA LIMITED | Private company limited by shares | Live |
| TECKSON CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECKSON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TECKSON PROPERTY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TECKVIEW COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECKWAY LIMITED | Private company limited by shares | Live |
| HK TECKWIN COMMERCE LIMITED | Private company limited by shares | Live |
| TECKWIN ELECTRONICS (HONGKONG) LIMITED | Private company limited by shares | Live |
| TECKWIN INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| TECKWIN INTERNATIONAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TECKWIN PRINTING LIMITED | Private company limited by shares | Dissolved |
| TECKWRAP LIMITED | Private company limited by shares | Live |
| TECKY LIMITED | Private company limited by shares | Dissolved |
| Tecky AI Limited | | Live |
| TECKY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |