| NAN BON WATERPROOF COMPANY LIMITED | Private company limited by shares | Live |
| New People Assept Construction Waterproof Engineering Limited | Private company limited by shares | Live |
| Sky Dragon Waterproof Limited | Private company limited by shares | Live |
| HONG KONG PANTHERS WATERPROOF TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| France JCDecaux Waterproof Company Limited | Private company limited by shares | Live |
| SINGAPORE WATERPROOF TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SKY WATERPROOFER & CONTRACTOR COMPANY LIMITED | Private company limited by shares | Live |
| YUE WO WATERPROOFING COMPANY LIMITED | Private company limited by shares | Live |
| ACHIEVE WATERPROOFING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIA WATERPROOFING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Chiu Lee Waterproofing Company Limited | Private company limited by shares | Live |
| SCIENTIFIC EPOXY INJECTION AND WATERPROOFING CONSULTANT LIMITED | Private company limited by shares | Live |
| Euro Pacific Waterproofing Limited | Private company limited by shares | Live |