| Yang Chun Engineering Company Limited | Private company limited by shares | Live |
| YATT CHUN ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN YENG ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN YEUNG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHUN YEUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| ART GI YING CHUN ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN YING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YING CHUN ENGINEERING LIMITED | Private company limited by shares | Live |
| TAK CHUN YING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YING CHUN ENGINEERING COMPANY LIMITED | | Live |
| CHUN YING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHUN YING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN YING ELECTRICAL & ENGINEERING LIMITED | | Live |
| Chun Ying Electrical and Mechanical Engineering Limited | Private company limited by shares | Live |
| Chun Ying Engineering (Hong Kong) Company Limited | Private company limited by shares | Live |
| Chun Ying Materials & Engineering Company Limited | | Live |
| YING NGAI NGO CHUN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHUN YING ENGINEERING SERVICE LIMITED | Private company limited by shares | Live |
| YING CHUN ENGINEERING SERVICE LIMITED | Private company limited by shares | Live |
| CHUN YUEN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YUEN CHUN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YUNG CHUN ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN KIN ENGINEERS LIMITED | Private company limited by shares | Live |
| KAO CHUN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUN YEH ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUN HON ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHUN WAI ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| LA CHUN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUN HOU ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TAK CHUN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUN AN ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHUN WAN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CHUN YAM ENTERPRISE LIMITED | Private company limited by shares | Live |
| HOI CHUN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CHUN FAI ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHUN YIM ENTERPRISE LIMITED | Private company limited by shares | Live |
| SAU CHUN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CHUN WAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHUN KIN ENTERPRISE LIMITED | Private company limited by shares | Live |
| YUK CHUN ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHUN WAI ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHUN FAT ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHUN HEI ENTERPRISE HK LIMITED | Private company limited by shares | Live |
| CHUN HO ENTERPRISE LIMITED | Private company limited by shares | Live |
| YAT CHUN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| HO CHUN ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHUN YU ENTERPRISE LIMITED | Private company limited by shares | Live |
| Chun Lok Enterprise Limited | Private company limited by shares | Live |
| Wai Chun Enterprise Limited | | Live |
| CHUN KONG ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHUN MING ENTERPRISE LIMITED | Private company limited by shares | Live |
| MING CHUN ENTERPRISE LIMITED | Private company limited by shares | Live |
| NGAI CHUN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| KAI CHUN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHUN CHUN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHUN WAI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHUN WAN YU ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SIN CHUN OIL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHUN LEE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHUN WO ENTERPRISES LIMITED | Private company limited by shares | Live |
| LAI CHUN ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| CHUN LIK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LIK CHUN ENTERPRISES LIMITED | Private company limited by shares | Live |
| KAM CHUN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WAI CHUN ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUN HUA ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUN KIT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHUN FAT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHUN YAT ENTERPRISES LIMITED | Private company limited by shares | Live |
| CHI CHUN ENTERPRISES LIMITED | Private company limited by shares | Live |
| CHUN TIN ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| CHUN LI ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUN YIP ENTERPRISES LIMITED | Private company limited by shares | Live |
| Chun Lai Enterprises Limited | Private company limited by shares | Live |
| CHUN MING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SHIU CHUN ENTERPRISES LIMITED | Private company limited by shares | Live |
| Kong Chun Tung Enterprises Limited | Private company limited by shares | Live |
| WU CHUN YUEN ENTERPRISES LIMITED | Private company limited by shares | Live |
| Chun Yuen Enterprises Limited | Private company limited by shares | Live |
| CHUN WAN ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| Chun Hui Entertainment Limited | Private company limited by shares | Live |
| Ming Chun Entertainment Limited | Private company limited by shares | Live |
| CHUN YAT ENTITY LIMITED | Private company limited by shares | Live |
| CHUN MEN ENTITY LIMITED | Private company limited by shares | Live |
| CHUN YUE ENTITY LIMITED | Private company limited by shares | Live |
| HANG CHUN ENVIRONMENT LIMITED | Private company limited by shares | Live |
| CHUN SHING ENVIRONMENT TRANSPORTATION LIMITED | | Live |
| KAI CHUN ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| MAN CHUN ENVIRONMENTAL LIMITED | Private company limited by shares | Dissolved |
| Chun Lik Environmental Company Limited | Private company limited by shares | Live |
| CHUN KAR ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| KO CHUN ENVIRONMENTAL COMPANY LIMITED | Private company limited by shares | Live |
| CHUN YAM ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| CHUN YU ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| Wah Chun Environmental Company Limited | | Live |
| Chun Yu Environmental Cleaning Service Company Limited | Private company limited by shares | Live |
| CHUN WAH ENVIRONMENTAL ENG. CO., LIMITED | Private company limited by shares | Dissolved |
| CHUN WO ENVIRONMENTAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHUN WO E & M (ENVIRONMENTAL) ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN WO ENVIRONMENTAL ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |