| Continuous Flow Engineering Limited | | Live |
| Lift Engineering Asia Pacific Limited | | Live |
| UNICE TECHNOLOGY AND ENGINEERING LIMITED | | Live |
| SKY Construction & Engineering Limited | | Live |
| Honor Mechanical Engineering Limited | | Live |
| Edge Pro Engineering Limited | | Live |
| AC STATION ENGINEERING COMPANY LIMITED | | Live |
| PAK WANG ALUMINUM ENGINEERING LIMITED | | Live |
| REX Construction Engineering Limited | | Live |
| Rising Team Engineering Company Limited | | Live |
| Navilog Industrial Engineering Limited | | Live |
| HPH CONSTRUCTION ENGINEERING COMPANY LIMITED | | Live |
| Wing Leung Elevator Engineering Limited | | Live |
| Fighting Engineering & Trading Company Limited | | Live |
| Gigantic Engine (HongKong) Limited | | Live |
| Kindul Engineering Company Limited | | Live |
| Hoi Tat Iron Metal Engineering Limited | | Live |
| Winfield Engineering Solution Limited | | Live |
| Friendway Engineering Limited | | Live |
| WellBor E&M ENGINEERING LIMITED | | Live |
| Chongtai (Structure) Engineering Limited | | Live |
| Sun Hop Hing Engineering (Hong Kong) Limited | | Live |
| Delicacy Engineering Limited | | Live |
| YING FAI ELECTRICAL & ENGINEERING LIMITED | | Live |
| KINGBIRD ENGINEERING (HONG KONG) LIMITED | | Live |
| P & C ENGINEER COMPANY LIMITED | | Live |
| SAKURA ELEVATOR ENGINEERING LIMITED | | Live |
| YUI HANG ENGINEERING COMPANY LIMITED | | Live |
| On Tai Electrical Engineering Company Limited | | Live |
| SHUNG YUE ENGINEERING COMPANY LIMITED | | Live |
| Lokco Engineering Limited | | Live |
| HOP KAM ENGINEERING COMPANY LIMITED | | Live |
| Sheng Tai Engineering Company Limited | | Live |
| CHUNG PAK SCAFFOLDING ENGINEERING LIMITED | | Live |
| YAT TAO ENGINEERING COMPANY LIMITED | | Live |
| Kit Wai Engineering Company Limited | | Live |
| Yue Bo Machinery & Engineering Limited | | Live |
| HK Construction Engineering Limited | | Live |
| PROFOUND ENGINEERING CO LIMITED | | Live |
| SIU ART SCAFFOLDING ENGINEERING COMPANY LIMITED | | Live |
| HELPFUL DESIGN ENGINEERING COMPANY LIMITED | | Live |
| Wah Fai Engineering and Construction Company Limited | | Live |
| NINGBO VOLTUM ELECTRICAL & ENGINEERING LIMITED | | Live |
| Strong (Standard) Engineering Company Limited | | Live |
| Team Engineering Limited | | Live |
| Hengtai Construction Engineering Co., Limited | | Live |
| WUI TAT AI ENGINEERING COMPANY LIMITED | | Live |
| Hengyu Engineering Company Limited | | Live |
| Ho Wah Hei Engineering Limited | | Live |
| MAN KWAN ENGINEERING HK LIMITED | | Live |
| JinB Construction Engineering Limited | | Live |
| East Link Engineering Limited | | Live |
| ZIT YEUNG ENGINEERING LIMITED | | Live |
| CuiYuan Engineering Limited | | Live |
| NGAI SAN ENGINEERING COMPANY LIMITED | | Live |
| Dynasty Engineering & Construction Company Limited | | Live |
| SK ENGINEERING COMPANY LIMITED | | Live |
| Chi Hop Engineering Limited | | Live |
| Liang Cai Engineering Company Limited | | Live |
| KA MING ENGINEERING CO LIMITED | | Live |
| CY Zenith Engineering Limited | | Live |
| COME EASY ENGINEERING LIMITED | | Live |
| New CS Engineering (Hong Kong) Company Limited | | Live |
| EASY WEALTH ENGINEERING LIMITED | | Live |
| TOP CREATION ENGINEERING LIMITED | | Live |
| SMART LUCK ENGINEERING LIMITED | | Live |
| Marine Land Engineering Limited | | Live |
| Kam Tei Construction Engineering Limited | | Live |
| TECH RICH ENGINEERING LIMITED | | Live |
| LK2 Construction and Engineering Limited | | Live |
| Metro Trinity Construction Engineering Limited | | Live |
| ENGINEERING SOLUTIONS COMPANY LIMITED | | Live |
| YU ON ENGINEERING COMPANY LIMITED | | Live |
| TW E&M ENGINEERING LIMITED | | Live |
| YAMABASE ENGINE PARTS HK CO., LIMITED | | Live |
| Ki Wa Construction Engineering Company Limited | | Live |
| Zi Pang Engineering Limited | | Live |
| Le Croy Engineering Trading Company Limited | | Live |
| Tai Fu Engineering and Technology Co. Limited | | Live |
| TLT ENGINEERING COMPANY LIMITED | | Live |
| Sun Ki Engineering (Hong Kong) Limited | | Live |
| Man Yi Engineering Company Limited | | Live |
| Karuizawa Engineering Survey Limited | | Live |
| Ming Yip Engineering Limited | | Live |
| WAYBO ENGINEERING LIMITED | | Live |
| GO KART ENGINEERING LIMITED | | Live |
| Creative Deco Engineering Limited | | Live |
| WEALTH ENGINEERING LIMITED | | Live |
| Ming Kui Engineering Limited | | Live |
| Rich Y.F. Engineering Co. Limited | | Live |
| RUSHTON ENGINEERING LIMITED | | Live |
| LIK WAI ELECTRICAL ENGINEERING (H. K.) LIMITED | | Live |
| HSINING INCE ENGINEERING LIMITED | | Live |
| KF Construction & Engineering Company Limited | | Live |
| PRO EXPERT ENGINEERING LIMITED | | Live |
| GEMINI ENGINEERING LIMITED | | Live |
| Everbright Engineering Materials Limited | | Live |
| YIP WO ENGINEERING CO., LIMITED | | Live |
| DONG HO ENGINEERING LIMITED | | Live |
| Enter Engineering Group Limited | | Live |