| Company Name | Type | Status |
|---|---|---|
| KUM ON PILING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| KAT LEE PILING LIMITED | Private company limited by shares | Dissolved |
| GEOTEC PILING MACHINERY CO., LIMITED | Private company limited by shares | Live |
| HAN KONG PILING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PiLingPaLang Limited | Private company limited by shares | Live |