| EL Design & Contracting Studio Limited | Private company limited by shares | Live |
| SURPASS DESIGN AND CONTRACTING LIMITED | Private company limited by shares | Live |
| TALIS DESIGN CONTRACTING LIMITED | Private company limited by shares | Live |
| TOKYO DESIGN CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPART DESIGN & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| TRINICO DESIGN & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| TRINITY DESIGN & CONTRACTING LIMITED | Private company limited by shares | Live |
| TURNMILE DESIGN & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| TWINSTAR DESIGN & CONTRACTING COMPANY LIMITED | Private company limited by shares | Live |
| VICTORY DESIGN & CONTRACTING LIMITED | Private company limited by shares | Live |
| VIEWS DESIGN & CONTRACTING LIMITED | Private company limited by shares | Live |
| VILLA DESIGN & CONTRACTING LIMITED | Private company limited by shares | Live |
| VISION DESIGN & CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| VISION DESIGN CONTRACTING LIMITED | Private company limited by shares | Live |
| VOGUE DESIGN & CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAYDI DESIGN & CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WEALTH TECK DESIGN AND CONTRACTING COMPANY LIMITED | Private company limited by shares | Live |
| WELCON DESIGN & CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DRAGON WELL DESIGN & CONTRACTING CO. LIMITED | Private company limited by shares | Live |
| WICKY DESIGN & CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WIDETECH DESIGN & CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WILLPOWER DESIGN & CONTRACTING LIMITED | Private company limited by shares | Live |
| YIU WING DESIGN & CONTRACTING LIMITED | Private company limited by shares | Live |
| WING FAT DESIGN CONTRACTING LIMITED | Private company limited by shares | Live |
| FEI TONG XIAO KE DESIGN & CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DESIGNER'S CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| IOM DESIGNS & CONTRACTING LIMITED | Private company limited by shares | Live |
| SS Designs & Contracting Limited | Private company limited by shares | Live |
| FANTA DESIGNS & CONTRACTING LIMITED | Private company limited by shares | Live |
| I.C.L. DESIGNS AND CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| WIN SMOOTH DESIGNS & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| WELL ART DESIGNS & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| DEVELOP CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIMENSION CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| DIXON CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLY DRAGON CONTRACTING LIMITED | Private company limited by shares | Live |
| Dragon Contracting Company Limited | Private company limited by shares | Live |
| Duncan Contracting Limited | Private company limited by shares | Live |
| SKY EASE CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| EASEL CONTRACTING CONSULTANT CO. LIMITED | Private company limited by shares | Dissolved |
| FAR EASTERN CONTRACTING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| EASTERN CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| EDCO CONTRACTING LIMITED | Private company limited by shares | Live |
| EDCO Contracting (HK) Limited | Private company limited by shares | Live |
| Top Edge Design and Contracting Company Limited | | Live |
| EDGE CONTRACTING (HK) LIMITED | Private company limited by shares | Dissolved |
| SUN PO ELECTRICAL CONTRACTING CO., LIMITED | Private company limited by shares | Live |
| FALCO ELECTRICAL CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| GASON ELECTRICAL CONTRACTING LIMITED | Private company limited by shares | Live |
| MING FAI ELECTRICAL CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| EMINENT CONTRACTING CO. LIMITED | Private company limited by shares | Live |
| EMPEROR DESIGN & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| Empire Design & Contracting Co., Limited | Private company limited by shares | Live |
| EMA ENGINEERING CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| CFE ENGINEERING AND CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| YUE LI CONTRACTING AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| REC Engineering Contracting Company Limited | Private company limited by shares | Live |
| RBS CONTRACTING & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SiS Engineering & Contracting Limited | Private company limited by shares | Live |
| MEI CONTRACTING AND ENGINEERING LIMITED | Private company limited by shares | Live |
| JHW Engineering & Contracting Limited | Private company limited by shares | Live |
| Sun Engineering Contracting Limited | Private company limited by shares | Live |
| Ace Contracting & Engineering Limited | Private company limited by shares | Live |
| Ample Engineering and Contracting Company Limited | Private company limited by shares | Live |
| DECOMATIC ENGINEERING & CONTRACTING (ASIA) LIMITED | Private company limited by shares | Dissolved |
| WING KEUNG (CHINA) CONTRACTING & ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Kiiwin Engineering & Contracting Co., Limited | Private company limited by shares | Live |
| COBOW CONTRACTING & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Joy Cobow Contracting & Engineering Limited | Private company limited by shares | Live |
| Creative Contracting and Electrical Engineering Limited | Private company limited by shares | Live |
| TOP GEAR CONTRACTING & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GOODWELL ENGINEERING CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| FAR EASTERN GULF OIL AND GAS ENGINEERING AND CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hexing Engineering Contracting Company Limited | Private company limited by shares | Live |
| TAT HING CONTRACTING & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| PO HING ENGINEERING & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| RG CONTRACTING & ENGINEERING (HK) LIMITED | Private company limited by shares | Dissolved |
| INTERLITE ENGINEERING CONTRACTING HONG KONG LIMITED | Private company limited by shares | Dissolved |
| KINGSFORD CONTRACTING & ENGINEERING LIMITED | Private company limited by shares | Live |
| CONTRACTING MANAGEMENT (ENGINEERING) LIMITED | Private company limited by shares | Dissolved |
| MINGS CONTRACTING AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| MYFOS ENGINEERING & CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PACIFIC CONTRACTING AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| POTENTIAL CONTRACTING & DESIGN ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| P. SIMONS ENGINEERING AND CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| SUNNY ENGINEERING CONTRACTING LIMITED | Private company limited by shares | Live |
| SYSTEMS ENGINEERING & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| TELWEL ENGINEERING & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| ENGINEERING CONTRACTING AND TRADING CO LIMITED | Private company limited by shares | Dissolved |
| NET ENGINEERING CONTRACTING AND TRADING LIMITED | Private company limited by shares | Live |
| Tricon Contracting & Engineering Limited | Private company limited by shares | Live |
| TUNG WO CONTRACTING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNITED ENGINEERING & CONTRACTING LIMITED | Private company limited by shares | Dissolved |
| VECTOR ENGINEERING & CONTRACTING CO., LIMITED | Private company limited by shares | Dissolved |
| WING KEUNG CONTRACTING & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ETERNAL CONTRACTING COMPANY LIMITED | Private company limited by shares | Live |
| Eternal Best Contracting Limited | Private company limited by shares | Live |
| EVERBASE CONTRACTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Everbest Contracting Co., Limited | Private company limited by shares | Dissolved |
| EVERBRIGHT CONTRACTING LIMITED | Private company limited by shares | Live |