| LAM TIN FIRE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ON TAT FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Sun Yip Fire Engineering Limited | Private company limited by shares | Live |
| WAI WAH FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| HIP KEI FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| Fire x Fire Engineering Limited | Private company limited by shares | Live |
| KAM LEE FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| Sun Win Fire Engineering Limited | Private company limited by shares | Live |
| WUI KEI FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| Hom Wan Fire Engineering Limited | Private company limited by shares | Live |
| Kei Po Fire Engineering Company Limited | Private company limited by shares | Live |
| EM Fire Engineering Limited | Private company limited by shares | Live |
| A&A Fire Engineering Company Limited | Private company limited by shares | Live |
| JS Fire Engineering Limited | Private company limited by shares | Live |
| Yat Kui Fire Engineering Limited | Private company limited by shares | Live |
| JW Fire Engineering Company Limited | Private company limited by shares | Live |
| WKS Fire Engineering Limited | | Live |
| WK Fire Engineering Co. Limited | | Live |
| ALLIED SUCCESS FIRE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Achieve Asia Fire Engineering Limited | Private company limited by shares | Live |
| CHINA SKY FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUNG TAT FIRE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHU'S FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHU'S FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| P & T Fire Engineering Co., Limited | Private company limited by shares | Live |
| A3 Fire Engineering Co., Limited | Private company limited by shares | Live |
| Sun Fire Network Engineering Co., Limited | Private company limited by shares | Live Commenced dormancy on 06-Jun-2016 |
| PROVEN FIRE SERVICE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| RICH FIRE SERVICE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| COMPLEX FIRE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| BIG CREATION FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| Sam Tat Fire Door Engineering Limited | Private company limited by shares | Live |
| TONG CHI FIRE DOOR ENGINEERING LIMITED | Private company limited by shares | Live |
| DUNHILL FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND HOPE FIRE PLUMBING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| EXPRESS FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| FIRST FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| FIRE FORCE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Fortune Fire Engineering Limited | Private company limited by shares | Live |
| FOSTER FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| GALAXY FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Gold Fire Engineering Limited | | Live |
| GOLDENWAY FIRE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SHEKOU GOLEC FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA GOOD E&M FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| Hang Fat Fire Engineering Limited | Private company limited by shares | Live |
| Hang Yue Fire Engineering Limited | Private company limited by shares | Live |
| KO HANG FIRE ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| HANG DA FIRE ENGINEERING LIMITED | | Live |
| SUN HING FIRE ENGINEERING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TAI HING FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| WAI HING FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| Hom Hing Fire Engineering Limited | Private company limited by shares | Live |
| MING HING FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUNG HING FIRE PREVENTION ENGINEERING LIMITED | Private company limited by shares | Live |
| LI JIAN FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Jian an Fire Engineering Company Limited | Private company limited by shares | Live |
| Jitsi Fire Engineering Limited | | Live |
| KETA FIRE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WAI KONG FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SUN KWAN FIRE ENGINEERING LIMITED | | Live |
| LEGEND FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WAI LEUNG FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| HOI LEUNG FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| LINKTAC FIRE ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| LI'S FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| LONG YU FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| LUCKY TARGET FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| LUNG BO FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| MANG YIP FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| MARVEL FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| W & W FIRE METAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| DAU WAH METALWORK AND FIRE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Milestone Fire Engineering Limited | | Live |
| Ming Kee Fire Engineering Co. Limited | Private company limited by shares | Live |
| MODERN FIRE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PANTHER FIRE ENGINEERING LIMITED | | Live |
| Prestige Fire Service Engineering Limited | | Live |
| ProGo Fire Engineering Limited | Private company limited by shares | Live |
| PRO-TECH FIRE ENGINEERING LIMITED | | Live |
| ADVANTAGE FIRE PROTECTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MAN CHONG FIRE PROTECTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GRAND FIRE PROTECTION ENGINEERING LIMITED -THE- | Private company limited by shares | Dissolved |
| JACKSON FIRE PROTECTION AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| LINTEX FIRE PROTECTION ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| PENTECH FIRE PROTECTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PROTEC (FIRE PROTECTION) ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WING KAI FIRE PROTECTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Pyrotech Fire Engineering (Asia) Limited | Private company limited by shares | Live |
| PYROTECH FIRE PROOF ENGINEERING LIMITED | Private company limited by shares | Live |
| WT Fire Resisting Door Engineering Limited | | Live |
| GRAND FIRE RESISTING ENGINEERING LIMITED | | Live |
| Rock Sea Fire Engineering Limited | | Live |
| Rosentek Fire Engineering Limited | Private company limited by shares | Dissolved |
| SAFETY FIRE ENGINEERING LIMITED | Private company limited by shares | Live |
| WING TAT FIRE SAFETY CONSULTANCY & ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| CENTURY FIRE SERVICE ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| NEW EXTEND FIRE SERVICE ENGINEERING LIMITED | Private company limited by shares | Live |
| SHIELD FIRE ENGINEERING & CONSULTANCY LIMITED | Private company limited by shares | Live |
| SMART OCEAN FIRE ENGINEERING LIMITED | Private company limited by shares | Live |