| CHUN ON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Yee Chun Engineering Company Limited | Private company limited by shares | Live |
| Chun Chi Engineering Limited | Private company limited by shares | Live |
| NEW CHUN FEI ENGINEERING LIMITED | Private company limited by shares | Live |
| Chun Kiu Engineering Limited | Private company limited by shares | Live |
| LOK WAI CHUN ENGINEERING LIMITED | Private company limited by shares | Live |
| Yuk Chun Engineering Limited | Private company limited by shares | Live |
| KAM CHUN ENGINEERING LIMITED | Private company limited by shares | Live |
| Pak Tak Chun Engineering Company Limited | Private company limited by shares | Live |
| Chun Yun Engineering Company Limited | Private company limited by shares | Live |
| LIN CHUN ENGINEERING LIMITED | Private company limited by shares | Live |
| YI CHUN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHUN HOI ENGINEERING LIMITED | Private company limited by shares | Live |
| Chun Yip Engineering Limited | Private company limited by shares | Live |
| CHUN PO ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN YUM ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN HUN ENGINEERING LIMITED | Private company limited by shares | Live |
| Chun Hoi E&M Engineering Limited | Private company limited by shares | Live |
| FAI CHUN ENGINEERING LIMITED | Private company limited by shares | Live |
| Chun Fat Engineering Limited | Private company limited by shares | Live |
| Chun Ip Engineering Company Limited | Private company limited by shares | Live |
| CHUN KUI ENGINEERING LIMITED | Private company limited by shares | Live |
| Tun Chun Engineering Limited | Private company limited by shares | Live |
| HEI CHUN ENGINEERING LIMITED | Private company limited by shares | Live |
| Chun Yu Engineering Limited | Private company limited by shares | Live |
| CHUN NIN ENGINEERING LIMITED | Private company limited by shares | Live |
| KAM CHUN ENGINEERING HK LIMITED | Private company limited by shares | Live |
| Chun Yau Engineering Company Limited | Private company limited by shares | Live |
| Chun Mei Engineering Company Limited | Private company limited by shares | Live |
| Chun Ka Engineering Limited | Private company limited by shares | Live |
| CHUN SUN ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN PUI ENGINEERING COMPANY LIMITED | | Live |
| TIM CHUN ENGINEERING COMPANY LIMITED | | Live |
| KEI CHUN ENGINEERING LIMITED | | Live |
| Chun To Engineering Limited | | Live |
| Chun Sum Engineering Company Limited | | Live |
| CHUN YAT ENGINEERING LIMITED | | Live |
| CHUN YUK ENGINEERING LIMITED | | Live |
| Chun Fo Engineering Limited | | Live |
| Chun Kei Engineering Co. Limited | | Live |
| Ton Chun Engineering Limited | | Live |
| Chun Wa Engineering Limited | | Live |
| Chun Yip Engineering Limited | | Live |
| CHUN LOK ENGINEERING LIMITED | | Live |
| CHUN BIU ENGINEERING LIMITED | | Live |
| SI CHUN ENGINEERING LIMITED | | Live |
| CHUN YIN ENGINEERING COMPANY LIMITED | | Live |
| CHUN NAN ENGINEERING COMPANY LIMITED | | Live |
| Yat Chun Engineering Accessories Limited | Private company limited by shares | Live |
| CHUN NGAI ADVERTISING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHUN LEE AIR-CONDITION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHUN MING AIR-CONDITION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KONG CHUN AIR-CONDITION TRADING & ENGINEERING LIMITED | Private company limited by shares | Live |
| YAT CHUN ALUMINUM ENGINEERING LIMITED | Private company limited by shares | Live |
| FU CHUN AQUARIUM ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUN TAT ENGINEERING (ASIA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUN WAH ENGINEERING (ASIA) LIMITED | Private company limited by shares | Dissolved |
| CHUN TAT ENGINEERING (ASIA) COMPANY LIMITED | Private company limited by shares | Live |
| Chun Yip Engineering Asia Company Limited | Private company limited by shares | Live |
| Chun Yan Engineering (Asia) Limited | | Live |
| CHUN YIP (ASIA) ENGINEERING COMPANY LIMITED | | Live |
| CHUN BONG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHUN HIN CABLE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Lee Chun Catering Engineering Company Limited | | Live |
| CHAN CHUN FAT ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAH CHUN ENGINEERING (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| CHUN TAT (CHINA HK) ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN LIK ENGINEERING (CHINA) LIMITED | Private company limited by shares | Live |
| CHUN FAI ENGINEERING (CHINA) LIMITED | Private company limited by shares | Live |
| CHUN CHIU ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUNG CHUN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Wui Chun Engineering & Cleaning Company Limited | Private company limited by shares | Live |
| HO PIU CHUN ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| CHUN TAI ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| CHUN KAY ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Chun Hee Engineering Co., Limited | Private company limited by shares | Live |
| Kam Chun Drilling & Engineering Co., Limited | Private company limited by shares | Live |
| Ho Piu Chun Engineering (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Chun Loong Engineering Co., Limited | Private company limited by shares | Live |
| CHUN MING TRANSPORT AND ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| CHUN KEE AIR CONDITIONING ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN WO CONSTRUCTION AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHUN KEE ENGINEERING AND CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| YIU CHUN CONSTRUCTION & ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| CHUN YIU ENGINEERING (CONSTRUCTION) LIMITED | Private company limited by shares | Dissolved |
| WAI CHUN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN FAI CONSTRUCTION ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| WUI CHUN CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAT CHUN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHUN WAH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HO CHUN CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WOO CHUN ENGINEERING (CONSTRUCTION) LIMITED | Private company limited by shares | Live |
| CHUN WAH CONSTRUCTION AND ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN LEE CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHUN KAN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHUN NAM CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUN FAI ENGINEERING & CONSTRUCTION LIMITED | Private company limited by shares | Live |
| WAH CHUN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Kam Chun Construction Engineering Company Limited | Private company limited by shares | Live |
| TAN CHUN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |