| ON SITE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ON SITE ASIA LIMITED | Private company limited by shares | Live |
| SITE SOLUTIONS ASIA LIMITED | Private company limited by shares | Dissolved |
| SITE BUILD LIMITED | Private company limited by shares | Dissolved |
| COTTON SITE LIMITED | Private company limited by shares | Live |
| FRANCE YORK HON SITE KA (H.K.) FASHION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mega Site Limited | | Live |
| PACIFIC SITE LIMITED | Private company limited by shares | Live |
| Smart Site Limited | Private company limited by shares | Live |
| ON SITE SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| SITEC LIMITED | Private company limited by shares | Dissolved |
| SI-TECH LIMITED | Private company limited by shares | Live |
| SITECH SA LIMITED | Private company limited by shares | Dissolved |
| NEO SITECH ENTERPRISES LIMITED | Private company limited by shares | Live |
| SI-TECHING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SITECO PROSPERITY LIGHTING (LANGFANG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SITECOM LIMITED | Private company limited by shares | Live |
| SITEG LIMITED | Private company limited by shares | Live |
| Sitehands (Hong Kong) Limited | Private company limited by shares | Live |
| SITEK ENTERPRISE LIMITED | Private company limited by shares | Live |
| SITEL JEWELRY CO., LIMITED | Private company limited by shares | Live |
| SITEL HONG KONG LIMITED | Private company limited by shares | Dissolved |
| GERMANY SITELANG LIGHTING INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| SITELIN ENTERPRISE LIMITED | Private company limited by shares | Live |
| Sitemint International Trading Co., Limited | | Live |
| SITEN LIMITED | | Live |
| SITEN CLEAN ENERGY DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| Siteng Limited | | Live |
| SiteOps Limited | | Live |
| i SitePlan Limited | Private company limited by shares | Live |
| SITEPO INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SITERAGE LIMITED | Private company limited by shares | Dissolved |
| MU SITERFAR CO., LIMITED | Private company limited by shares | Live |
| Siterwell Technology HK Co., Limited | Private company limited by shares | Live |
| SITERWELL ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SITERWELL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SKY SITES LIMITED | Private company limited by shares | Dissolved |
| DISCOVER WORLD HERITAGE SITES LIMITED | Private company limited by shares | Live |
| SITESCOPE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Sitevertising Limited | Private company limited by shares | Live |
| GERMANY SITEWANG ALUMINUM GROUP LIMITED | Private company limited by shares | Dissolved |
| Siteware Technology Limited | Private company limited by shares | Live |
| Sitewei Holding Limited | Private company limited by shares | Live |
| SITEX LIMITED | Private company limited by shares | Dissolved |