| U.S.A. I.D.C. LIMITED | Private company limited by shares | Dissolved |
| IDCAM CO., LIMITED | Private company limited by shares | Live |
| IDCAP Limited | | Live |
| IDCCEN LIMITED | Private company limited by shares | Live |
| IDCE CO., LIMITED | Private company limited by shares | Live |
| IDCHEM CO., LIMITED | Private company limited by shares | Live |
| IDCL LIMITED | Private company limited by shares | Live |
| iDCmini Limited | Private company limited by shares | Live |
| Idcool HK Limited | Private company limited by shares | Live |
| IDCORP. LIMITED | Private company limited by shares | Dissolved |
| IDCRM LIMITED | Private company limited by shares | Live |
| idcud Limited | Private company limited by shares | Live |