| VID SYSTEMS LIMITED | Private company limited by shares | Live |
| Cx Systems Limited | Private company limited by shares | Live |
| G & D Systems Limited | Private company limited by shares | Live |
| CDF SYSTEMS HK LIMITED | Private company limited by shares | Live |
| TAG SYSTEMS LIMITED | Private company limited by shares | Live |
| TBR Systems Limited | Private company limited by shares | Live |
| FIB SYSTEMS LIMITED | Private company limited by shares | Live |
| MC Systems Limited | Private company limited by shares | Live |
| GSM Systems Limited | Private company limited by shares | Live |
| GIT SYSTEMS LIMITED | Private company limited by shares | Live |
| All Systems Go Limited | Private company limited by shares | Live |
| 2AD SYSTEMS LIMITED | Private company limited by shares | Live |
| ITI SYSTEMS COMPANY LIMITED | Private company limited by shares | Live |
| 4U Systems Limited | Private company limited by shares | Live |
| I.D SYSTEMS LIMITED | Private company limited by shares | Live |
| ACS SYSTEMS LIMITED | Private company limited by shares | Live |
| DG Systems Limited | Private company limited by shares | Live |
| Tai Systems Limited | Private company limited by shares | Live |
| iN Systems Limited | Private company limited by shares | Live |
| AL SYSTEMS LIMITED | Private company limited by shares | Live |
| ANI SYSTEMS LIMITED | Private company limited by shares | Live |
| HM SYSTEMS LIMITED | Private company limited by shares | Live |
| HH SYSTEMS LIMITED | Private company limited by shares | Live |
| MK Systems HK Limited | Private company limited by shares | Live |
| ZT Systems HK Limited | Private company limited by shares | Live |
| IST SYSTEMS LIMITED | Private company limited by shares | Live |
| Fox Systems Limited | Private company limited by shares | Live |
| Bay Systems Limited | Private company limited by shares | Live |
| Pin Me Systems Limited | Private company limited by shares | Live |
| One Two Go Systems Limited | Private company limited by shares | Live |
| OK SYSTEMS LIMITED | Private company limited by shares | Live |
| K8 Systems Limited | Private company limited by shares | Live |
| SOS SYSTEMS LIMITED | Private company limited by shares | Live |
| V SYSTEMS LIMITED | Private company limited by shares | Live |
| Lan GV Systems Limited | Private company limited by shares | Live |
| DPN Systems Limited | Private company limited by shares | Live |
| FLI SYSTEMS LIMITED | Private company limited by shares | Live |
| LIG AI Systems LIMITED | | Live |
| ALD Systems Limited | | Live |
| OAP SYSTEMS LIMITED | | Live |
| Dev Systems Limited | | Live |
| XOR SYSTEMS LIMITED | | Live |
| ZF Systems Limited | | Live |
| QSM SYSTEMS LIMITED | | Live |
| WTT Systems Limited | | Live |
| PT Systems Limited | | Live |
| aavaQ systems Limited | Private company limited by shares | Live |
| ACME SYSTEMS LIMITED | Private company limited by shares | Live |
| ACORN SYSTEMS LIMITED | Private company limited by shares | Live |
| ACTIT SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ADVANCED SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADVANCED INCO SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| V2G ADVANCED INFRA SYSTEMS HK LIMITED | Private company limited by shares | Live |
| ALSTON SYSTEMS LIMITED | Private company limited by shares | Live |
| AMALGA SYSTEMS LIMITED | Private company limited by shares | Live |
| Amarillo Systems Limited | Private company limited by shares | Live |
| AMBIENT SYSTEMS LIMITED | | Live |
| AMPLE SYSTEMS LIMITED | Private company limited by shares | Live |
| Ample Systems HK Limited | Private company limited by shares | Live |
| AMUSEMENT SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ANOVA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| d3 Systems (APAC) Limited | Private company limited by shares | Live |
| AROMATIC SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| NHD SYSTEMS (ASIA) LIMITED | Private company limited by shares | Live |
| ISC SYSTEMS ASIA LIMITED | Private company limited by shares | Dissolved |
| AFA SYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| RSA SYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| ISA SYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| RAE SYSTEMS (ASIA) LIMITED | Private company limited by shares | Live |
| G. C. SYSTEMS (ASIA) LIMITED | Private company limited by shares | Live |
| NEW SYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| AD SYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TM SYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| AE SYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TSE Systems Asia Limited | Private company limited by shares | Live |
| GAP SYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| TPD SYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| DR & D SYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| CFH Systems Asia Limited | Private company limited by shares | Live |
| Goo Systems Asia Limited | Private company limited by shares | Live |
| SAS Asia Bar Systems Limited | Private company limited by shares | Live |
| NE Systems Asia Limited | Private company limited by shares | Live |
| MI Systems Asia Limited | Private company limited by shares | Live |
| OLI SYSTEMS (ASIA) LIMITED | | Live |
| AGRI SYSTEMS ASIA LIMITED | Private company limited by shares | Dissolved |
| COMPUTECH SYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| FIRST ASIA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| IFCO SYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| LAZOR SYSTEMS ASIA LIMITED | Private company limited by shares | Dissolved |
| MECHOSHADE SYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Prominent (Asia) Systems Company Limited | Private company limited by shares | Live |
| ROSS SYSTEMS ASIA LIMITED | Private company limited by shares | Dissolved |
| SecuRam Systems (Asia) Limited | Private company limited by shares | Live |
| TSSI SYSTEMS (ASIA) LIMITED | Private company limited by shares | Live |
| Caplin Systems (AsiaPac) Limited | Private company limited by shares | Live |
| ASTROMARK SYSTEMS LIMITED | | Live |
| Augmented Systems Limited | Private company limited by shares | Live |
| AUSTECH SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| AUTOMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |