| WANG BONG ENGINEERING LIMITED | Private company limited by shares | Live |
| Trinity Design Engineering Limited | Private company limited by shares | Live |
| PACIFIC OCEAN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| JET TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| PANERGY NEW ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CIS ENTHALPY LIMITED | Private company limited by shares | Live |
| FLG Environmental Protection Foundation Limited | Private company limited by shares | Live |
| KA-TECH ASIA ENGINEERING LIMITED | Private company limited by shares | Live |
| Enplus Engineering Company Limited | Private company limited by shares | Live |
| JIUDING ENGINEERING LIMITED | Private company limited by shares | Live |
| EEMB Energy Power Company Limited | Private company limited by shares | Live |
| San Fai Engineering Company Limited | Private company limited by shares | Live |
| Lok On Engineering Company Limited | Private company limited by shares | Live |
| Yu Sheng Construction Engineering Co., Limited | Private company limited by shares | Live |
| NIKKI ENERGY HOLDING CO., LIMITED | Private company limited by shares | Live |
| Imagine Engineers Limited | Private company limited by shares | Live |
| A DRAGON ENGINEERING CONSULTANCY LIMITED | Private company limited by shares | Live |
| Argo Engineering Company Limited | Private company limited by shares | Live |
| S&C ENGINEERING LIMITED | Private company limited by shares | Live |
| Yuen's Enterprise Limited | Private company limited by shares | Live |
| Mun Yat Electric Aircon & Engineering Limited | Private company limited by shares | Live |
| BOND SMART ENTERPRISE LIMITED | Private company limited by shares | Live |
| SANPO ENGINEERING LIMITED | Private company limited by shares | Live |
| ON ON ENERGY HK LIMITED | Private company limited by shares | Live |
| BINITY ENERGY LIMITED | Private company limited by shares | Live |
| Grand Master Engineering Limited | Private company limited by shares | Live |
| Hengda Electric Engineering Company Limited | Private company limited by shares | Live |
| MEI SUN ENGINEERING LIMITED | Private company limited by shares | Live |
| Enjoy (Hong Kong) Catering Co., Limited | Private company limited by shares | Live |
| Innovation Saving Energy Limited | Private company limited by shares | Live |
| ORB ENTERPRISE LIMITED | Private company limited by shares | Live |
| MBM ENGINEERS LIMITED | Private company limited by shares | Live |
| TL Engineering Co., Limited | Private company limited by shares | Live |
| KAI LEE CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| QUOTIENT ENTERPRISE LIMITED | Private company limited by shares | Live |
| EMILY ENTERPRISE LIMITED | Private company limited by shares | Live |
| Likki Environment Services Limited | Private company limited by shares | Live |
| H & J Enterprises Limited | Private company limited by shares | Live |
| ALL SUCCESS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| JOYFUL GRACE ENTERPRISE LIMITED | Private company limited by shares | Live |
| FIDE ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Enviro Tech Supplies Limited | Private company limited by shares | Live |
| Wellborn Engineering Company Limited | Private company limited by shares | Live |
| Sky Wise New Energy Limited | Private company limited by shares | Live |
| A&B Design And Engineering Limited | Private company limited by shares | Live |
| Hop Kin Engineering Co., Limited | Private company limited by shares | Live |
| Ko Wai Engineering Limited | Private company limited by shares | Live |
| Ryan Scaffolding Engineering Limited | Private company limited by shares | Live |
| FOCUS FILTRATION AND ENGINEERING LIMITED | Private company limited by shares | Live |
| ABM ENERGY LIMITED | Private company limited by shares | Live |
| 636 Enterprise Limited | Private company limited by shares | Live |
| Yiu Kin Engineering Limited | Private company limited by shares | Live |
| A & M Engineering Company Limited | Private company limited by shares | Live |
| Hai Yuan Engineering Company Limited | Private company limited by shares | Live |
| UPC-AC ENERGY SOLAR ASIA LIMITED | Private company limited by shares | Live |
| Ka Po Engineering and Painting Limited | Private company limited by shares | Live |
| B&K Power Energy Limited | Private company limited by shares | Live |
| Ming Kei Engineering Co Limited | Private company limited by shares | Live |
| DH Enterprise Limited | Private company limited by shares | Live |
| SKY TEAM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Victoria Harbour Engineering Limited | Private company limited by shares | Live |
| Acacia Environmental Solutions Limited | Private company limited by shares | Live |
| Ken View Enterprises Limited | Private company limited by shares | Live |
| Hong Kong Leap Engine Information Company Limited | Private company limited by shares | Live |
| PYRABUILD ENGINEERING LIMITED | Private company limited by shares | Live |
| BEST GRAND ENGINEERING LIMITED | Private company limited by shares | Live |
| BIG VIEW ENGINEERING LIMITED | Private company limited by shares | Live |
| WING SUN ENGINEERING LIMITED | Private company limited by shares | Live |
| Unicorn Global Shipping Engineering Co., Limited | Private company limited by shares | Live |
| ManC Engineering Limited | Private company limited by shares | Live |
| D. Son Design & Engineering Company Limited | Private company limited by shares | Live |
| Merit Energy Enterprise Company Limited | Private company limited by shares | Live |
| YIP WAI MAN ELECTRICAL & ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| OCEANWAY ENTERPRISES GROUP LIMITED | Private company limited by shares | Live |
| HK FIDAX ENTERPRISE LIMITED | Private company limited by shares | Live |
| HO TSAN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TUNG WANG NETWORK ENGINEERING LIMITED | Private company limited by shares | Live |
| SMART ENERGY MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINGFAN ENGINEERING LIMITED | Private company limited by shares | Live |
| Kinick Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| Yuegangao Bay Area Entrepreneur Association Limited | Private company limited by shares | Live |
| Winstar Construction Engineering Limited | Private company limited by shares | Live |
| ENJOY Hong Kong Trade Limited | Private company limited by shares | Live |
| DONG JIANG ENGINEERING LIMITED | Private company limited by shares | Live |
| QINGDAO ENDA RUBBER AND PLASTIC CO., LIMITED | Private company limited by shares | Live |
| SWING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Hon Wai Engineering Limited | Private company limited by shares | Live |
| RONVIL ENGINEERING LIMITED | Private company limited by shares | Live |
| LI ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ASIA CENTURY ENTERPRISES LIMITED | Private company limited by shares | Live |
| Sunaqua Engineering Limited | Private company limited by shares | Live |
| AP ENGLISH LIMITED | Private company limited by shares | Live |
| NICE ENERGY LIMITED | Private company limited by shares | Live |
| HOI HEI ENTERPRISE LIMITED | Private company limited by shares | Live |
| HK JIAFENG ENVIRONMENTAL CONSULTING LIMITED | Private company limited by shares | Live |
| Sincerity Machinery Engineering Co., Limited | Private company limited by shares | Live |
| Enze Group Limited | Private company limited by shares | Live |
| ENRICH WAY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Envision Renewable Energy Bangladesh Limited | Private company limited by shares | Live |
| All Honest Engineering Limited | Private company limited by shares | Live |