| Company Name | Type | Status |
|---|---|---|
| D.E.C.T Production Limited | Private company limited by shares | Live |
| WING TAT DECT. ENG. CO. LIMITED | Private company limited by shares | Live |
| DECTEL ASIA LIMITED | Private company limited by shares | Dissolved |
| DECTON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DEC-TUNE LIMITED | Private company limited by shares | Live |
| DECTUNE & HITOMI LIMITED | Private company limited by shares | Live |