| International Building Materials Environmental Science And Technology Limited | Private company limited by shares | Live |
| HK FEIYE BUILDING MATERIALS SCIENCE AND TECHNOLOGY INNOVATION LIMITED | Private company limited by shares | Live |
| HK SANHE SCIENCE AND TECHNOLOGY BUILDING MATERIALS LIMITED | Private company limited by shares | Dissolved |
| PT Building Technology and Science Holding Limited | Private company limited by shares | Live |
| YUEYANG BUILDING MATERIALS SCIENCE LIMITED | | Live |
| SCORE BUILDING MATERIALS LIMITED | Private company limited by shares | Live |
| Seafly Building Materials Co., Limited | Private company limited by shares | Live |
| SEILLEX BUILDING MATERIAL LIMITED | Private company limited by shares | Dissolved |
| Senbro Building Materials Limited | Private company limited by shares | Live |
| WAH SENG BUILDING CONTRACTORS LIMITED | Private company limited by shares | Live |
| SENWIA BUILDING MATERIALS CO., LIMITED | Private company limited by shares | Live |
| TIGRE SERPENT BUILDING LIMITED | Private company limited by shares | Live |
| SERRIG BUILDING MATERIAL SUPPLIERS LIMITED | Private company limited by shares | Dissolved |
| MEI MING WAI BUILDING SERVICE CO. LIMITED | Private company limited by shares | Live |
| UDL BUILDING SERVICES LIMITED | Private company limited by shares | Live Commenced dormancy on 26-Apr-2002 |
| E & B BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| CCW BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| T&P Building Services Limited | Private company limited by shares | Live |
| YU TAI BUILDING SERVICES CO. LIMITED | Private company limited by shares | Live |
| K. K. Architecture & Building Services Limited | | Live |
| EXCEL (BUILDING SERVICES) ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| BRIGHTNESS BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| CHANCE BUILDING SERVICES ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| CHINA BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| CHINACHEM BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| ANGLO CHINESE BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| Citizen Building Services Limited | Private company limited by shares | Live |
| CLEANING DOCTOR BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| New Building Services Holdings Co., Limited | Private company limited by shares | Live |
| BUILDING SERVICES CONSULTANT LIMITED | Private company limited by shares | Live |
| COSIN BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| CREATION BUILDING SERVICES MATERIALS LIMITED | Private company limited by shares | Live |
| Sun Rise Building Services & Decoration Engineering Co. Limited | Private company limited by shares | Dissolved |
| BUILDING SERVICES DESIGN LIMITED | Private company limited by shares | Dissolved |
| BUILDING SERVICES DESIGN STUDIO LIMITED | Private company limited by shares | Live |
| EASY BUILDING SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| MING FU BUILDING SERVICES ENG. LIMITED | Private company limited by shares | Dissolved |
| MING FU BUILDING & ENG. SERVICES LIMITED | Private company limited by shares | Live |
| F & D BUILDING SERVICES ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| P A P BUILDING SERVICES ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KA CHI ENGINEERING (BUILDING SERVICES) LIMITED | Private company limited by shares | Live |
| IWG BUILDING SERVICES ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| LEE BUILDING SERVICES ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ALLIANCE BUILDING SERVICES ENGINEERING LIMITED | Private company limited by shares | Live |
| ATAL Building Services Engineering Limited | Private company limited by shares | Live Ceased dormancy on 28-Oct-2008 |
| A-Tech Building Services Engineering Co. Limited | Private company limited by shares | Live |
| Best Building Services Engineering Limited | | Live |
| BONDEN BUILDING SERVICES ENGINEERING LIMITED | Private company limited by shares | Live |
| BUILDERLAND BUILDING SERVICES & ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CAYENN BUILDING SERVICES & ENGINEERING LIMITED | Private company limited by shares | Live |
| HENCH (CHINA) BUILDING SERVICES ENGINEERING LIMITED | Private company limited by shares | Live |
| CHONG WA BUILDING SERVICES ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| BUILDING SERVICES ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| R&M BUILDING SERVICES & ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| DL Building Services Engineering Consultation Limited | Private company limited by shares | Live |
| CORNWALL (BUILDING SERVICES) ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CORNWALL (BUILDING SERVICES) ENGINEERING LIMITED | Private company limited by shares | Live |
| CROWNIFAIR BUILDING SERVICES ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PERDIX BUILDING SERVICES (DESIGN & ENGINEERING) COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVIRONMENT-FRIENDLY SOLUTION TO BUILDING SERVICES ENGINEERING LIMITED | Private company limited by shares | Live |
| ETERTRON BUILDING SERVICES & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HING YIP BUILDING SERVICES ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WING HING BUILDING SERVICES ENGINEERING LIMITED | Private company limited by shares | Live |
| Manleitat Building Services Engineering Company Limited | | Live |
| JET POWER (BUILDING SERVICES) ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| New Power Building Services Engineering Limited | Private company limited by shares | Live |
| SUNNIX BUILDING SERVICES AND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Man Tech Building Services Engineering Limited | Private company limited by shares | Live |
| TREASURE BUILDING SERVICES ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| TUNG MING BUILDING SERVICES ENGINEERING LIMITED | Private company limited by shares | Live |
| Ultimate Building Services Engineering Limited | | Live |
| VIEWCO BUILDING SERVICES & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| K & N BUILDING SERVICES ENGINEERS LIMITED | Private company limited by shares | Dissolved |
| EXCEL BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| FONG'S BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| FOSTER BUILDING SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| FULL WIN BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| KAM FUNG BUILDING SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| HANG FUNG BUILDING SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOLDTAKE BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| Goldtron Building Services Limited | | Live |
| GREEN BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| GREEN BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| HAYWA BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| HING FAT BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| Hing Wo Building Services Limited | Private company limited by shares | Live |
| WING HING E & M BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| HONG KIN BUILDING SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| BUILDING SERVICES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| IBS INDUSTRIAL BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| 30 Building Inspection Services Limited | Private company limited by shares | Live |
| INTELLIGENT BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| EDJ BUILDING JANITORIAL SERVICES LIMITED | Private company limited by shares | Live |
| JETWELL ENGINEERING & BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| KINETIC BUILDING SERVICES LIMITED | Private company limited by shares | Live |
| KMEC BUILDING SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| MANIFOLD BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| CENTRE MARK BUILDING SERVICES LIMITED | Private company limited by shares | Dissolved |
| 206 BUILDING MATERIAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| BMS BUILDING MATERIALS & SERVICES LIMITED | Private company limited by shares | Live |