| Company Name | Type | Status |
|---|---|---|
| GEOTECHNO LIMITED | Private company limited by shares | Dissolved |
| CHINA (WUHAN) GEOTECHNOLOGY RESEARCH INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| HK GEOTECHNOLOGY CONSULTING LIMITED | Live | |
| YAT WAH R.M.C. GEOTECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |