| Seasun New Energy Co., Limited | Private company limited by shares | Live |
| BEST CAPITAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| MT ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| ICS Engineering Limited | Private company limited by shares | Live |
| KA FU TECHNOLOGY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENGINEERING COMPONENTS - HK LIMITED | Private company limited by shares | Live |
| YOU HAO ENGINEERING LIMITED | Private company limited by shares | Live |
| CCK ENERGY GROUP COMPANY LIMITED | Private company limited by shares | Live |
| WANG LEE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| MAX WISDOM ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNITED ENERGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| YOODA ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| NOBEL ENERGY LIMITED | Private company limited by shares | Dissolved |
| Li Ning Energy-saving (Hong Kong) Limited | Private company limited by shares | Dissolved |
| Enjoy Group (HK) Co., Limited | Private company limited by shares | Live |
| ZH Energy Company Limited | Private company limited by shares | Dissolved |
| ENRICH SOURCES TRADING LIMITED | Private company limited by shares | Dissolved |
| INTACT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| UNITED REFRIGERATION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Kam Hou Engineering Limited | Private company limited by shares | Dissolved |
| LY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GTECH ENERGY CONCEPTS CO., LIMITED | Private company limited by shares | Live |
| CRM Enterprises Limited | Private company limited by shares | Dissolved |
| YUK TAI ENGINEERING LIMITED | Private company limited by shares | Live |
| IP HING ENGINEERING LIMITED | Private company limited by shares | Live |
| AETHER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| China Scientific Environment Technical Limited | Private company limited by shares | Live |
| J & K ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GSI ENTERPRISE LIMITED | Private company limited by shares | Live |
| Shanghai Environment Group (Hong Kong) Company Limited | Private company limited by shares | Dissolved |
| Wah Keung Environmental Recycling Limited | Private company limited by shares | Dissolved |
| Resources J Energy Investment Limited | Private company limited by shares | Live |
| ENERGY MATERIALS (CHINA) LIMITED | Private company limited by shares | Live |
| ENRICHING SHEEN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TEENXMAY ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Environment International Trading Limited | Private company limited by shares | Live |
| Kim Wing Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| SOUTH CAPITAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Hang Kong Engineering Limited | Private company limited by shares | Live |
| GLOBAL HYGIENE AND ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| Yat Yee Enterprises Limited | Private company limited by shares | Live |
| Paramount Engineering & Manpower Service Limited | Private company limited by shares | Live |
| SUN LINK CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINCERITY ENGINEERING LIMITED | Private company limited by shares | Live |
| FUKUTOMI ENVIRONMENTAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| GRAND SPACE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ENERTECH INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| MEGA TIME ENTERPRISE LIMITED | Private company limited by shares | Live |
| EAST FORD ENTERPRISES LIMITED | Private company limited by shares | Live |
| SKY WISDOM ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JEFF AIR ENGINEERING LIMITED | Private company limited by shares | Live |
| WIN HONEST ENTERPRISES LIMITED | Private company limited by shares | Live |
| Hai Na Engineering Limited | Private company limited by shares | Live Commenced dormancy on 24-Aug-2016 |
| HONGKONG RU MEI DA ENVIRONMENT ARTS ENGINEERING DESIGN LIMITED | Private company limited by shares | Dissolved |
| WIN GALORE ENVIRONMENT LIMITED | Private company limited by shares | Live |
| JOY WIN ENTERPRISE LIMITED | Private company limited by shares | Live |
| MIRABLE ENGINEERING LIMITED | Private company limited by shares | Live |
| HK ZHEYUAN ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| TRINITY (E.N.V.) LIMITED | Private company limited by shares | Live |
| YIDE NEW ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| SKYBOYU ENTERPRISE GROUP LIMITED | Private company limited by shares | Dissolved |
| C & M ENTERPRISES LIMITED | Private company limited by shares | Live |
| KEI MAN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HOP FU HING ENGINEERING LIMITED | Private company limited by shares | Live Commenced dormancy on 04-Oct-2013 |
| Smart Environment Limited | Private company limited by shares | Dissolved |
| SUN SOLAR ENERGY LIMITED | Private company limited by shares | Live |
| ZHENRONG SUN HING ENERGY & RESOURCES HOLDING LIMITED | Private company limited by shares | Live |
| HOP WO ENGINEERING LIMITED | Private company limited by shares | Live |
| YAU CHENG ENGINEERING & CONSTRUCTION LIMITED | Private company limited by shares | Live |
| ENLARGEVISIONS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WAI MAN ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| CREATIVE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| GRAND CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SILVER LUCK ENTERPRISES LIMITED | Private company limited by shares | Live |
| T & C Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| LIWA CONSTRUCTION & ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| FAI FAT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Ritter Engineering Limited | Private company limited by shares | Live |
| Alcon Engineering Limited | Private company limited by shares | Live |
| INNOVATIVE SKY ENTERPRISE HK LIMITED | Private company limited by shares | Dissolved |
| UB Entertainment Limited | Private company limited by shares | Dissolved |
| PO CHE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ACF ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HK ENMAN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| P & S Construction Engineering Company Limited | Private company limited by shares | Live |
| ENRICH INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| O Tin Environmental Lighting Limited | Private company limited by shares | Live |
| Powergate Energy Co. Limited | Private company limited by shares | Dissolved |
| UNIQUE PRECISION ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| Greens Environmental Bio-Technology (HK) Limited | Private company limited by shares | Dissolved |
| ENGINEERING ONLINE LIMITED | Private company limited by shares | Live |
| Red Apple Furniture Enterprise Limited | Private company limited by shares | Live |
| Energvisa Consulting Limited | Private company limited by shares | Dissolved |
| YIN CHI ENGINEERING LIMITED | Private company limited by shares | Live |
| PETRA ENERGY CAPITAL LIMITED | Private company limited by shares | Dissolved |
| KEI WAH ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI KAI ENGINEERING LIMITED | Private company limited by shares | Live |
| WING KONG ENGINEERING LIMITED | Private company limited by shares | Live |
| GLOBAL ENVIRONMENTAL STRATEGE CO., LIMITED | Private company limited by shares | Dissolved |
| ENJOY WINE LIMITED | Private company limited by shares | Live |