| A PROTOTYPE COMPANY LIMITED | Private company limited by shares | Live |
| RP PROTOTYPE LIMITED | Private company limited by shares | Live |
| HSR Prototype Limited | Private company limited by shares | Live |
| MAX PROTOTYPE LIMITED | Private company limited by shares | Live |
| Prototype Limited | Private company limited by shares | Live |
| 3S Prototype Limited | | Live |
| AESTHETICS PROTOTYPE LIMITED | Private company limited by shares | Live |
| ANSON RAPID PROTOTYPE CO., LIMITED | Private company limited by shares | Live |
| MXP Prototype Co., Limited | | Live |
| APA PROTOTYPE CO., LIMITED | | Live |
| Brightstar prototype CNC Co., Limited | | Live |
| HK LT CENTURY PROTOTYPE CO., LIMITED | Private company limited by shares | Live |
| LT CENTURY PROTOTYPE CO., LIMITED | Private company limited by shares | Live |
| DADESIN PROTOTYPE CO., LIMITED | Private company limited by shares | Live |
| Faster Prototype Co., Limited | Private company limited by shares | Dissolved |
| Looker Prototype Co., Limited | Private company limited by shares | Dissolved |
| SG PROTOTYPE MANUFACTURER CO., LIMITED | Private company limited by shares | Live |
| JG Prototype Manufacturer Co., Limited | Private company limited by shares | Live |
| Ivy Prototype Manufacturing Co., Limited | Private company limited by shares | Live |
| A Prototype Manufacturing Co., Limited | Private company limited by shares | Live |
| LK Prototype Molding Co., Limited | Private company limited by shares | Live |
| XSHENG PROTOTYPE CO., LIMITED | Private company limited by shares | Live |
| TEAM CREATION PROTOTYPE & DESIGN LIMITED | Private company limited by shares | Dissolved |
| Prototype Creative Co. Limited | | Live |
| Prototype Design Company Limited | Private company limited by shares | Live |
| SPECIAL DESIGN (PROTOTYPE SERVICE) LIMITED | Private company limited by shares | Dissolved |
| Insight Prototype Co., Limited | | Live |
| 3A PROTOTYPE MANUFACTURING LIMITED | Private company limited by shares | Live |
| METALSTAR PROTOTYPE COMPANY LIMITED | Private company limited by shares | Live |
| HEXICONN MOLD & PROTOTYPE COMPANY LIMITED | Private company limited by shares | Live |
| Myth Prototype Limited | | Live |
| Prefect Goods Prototype Co., LIMITED | Private company limited by shares | Live |
| Leshine Rapid Prototype Co., Limited | Private company limited by shares | Live |
| SY laser Rapid Prototype Co., Limited | Private company limited by shares | Live |
| Metal Rapid Prototype CO., LIMITED | Private company limited by shares | Live |
| APA Rapid Prototype Technology Co., Limited | Private company limited by shares | Live |
| MAINSTREAM RAPID PROTOTYPE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SANWA ENGRAVE & PROTOTYPE COMPANY LIMITED | Private company limited by shares | Live |
| SENMEI PROTOTYPE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Prototype Studio Limited | Private company limited by shares | Live |
| PROTOTYPE SYSTEM LIMITED | Private company limited by shares | Live |
| Unique Prototype Technology Co., Limited | Private company limited by shares | Live |
| WellSolid Prototype Limited | Private company limited by shares | Live |
| YOUDE PROTOTYPE LIMITED | Private company limited by shares | Live |
| Hua Zheng Prototype Technology Co., Limited | Private company limited by shares | Live |
| Prototype.com Limited | | Live |
| EXL PROTOTYPES LIMITED | | Live |
| INCO Prototypes Manufacturing Co., Limited | | Live |