| BEL FUSE LIMITED | Private company limited by shares | Live |
| FUSE TWO LIMITED | Private company limited by shares | Dissolved |
| FUSE LIMITED | Private company limited by shares | Dissolved |
| FUSE CN LIMITED | Private company limited by shares | Dissolved |
| FUSE HK LIMITED | Private company limited by shares | Live |
| Fuse HR Limited | | Live |
| FUSE AGENCY COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUSE (ASIA) LIMITED | Private company limited by shares | Dissolved |
| FUSE POWER CO., LIMITED | Private company limited by shares | Live |
| SART FUSE CO., LIMITED | Private company limited by shares | Live |
| Fuse Corp Limited | Private company limited by shares | Dissolved |
| FUSE DESIGN LIMITED | Private company limited by shares | Live |
| DUAL FUSE TRADE LIMITED | Private company limited by shares | Live |
| FUSE ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| Fuse Group Limited | Private company limited by shares | Live |
| FUSE A HOLDING LIMITED | Private company limited by shares | Live |
| FUSE A2 HOLDING LIMITED | Private company limited by shares | Live |
| BEL FUSE INC. LIMITED | Private company limited by shares | Live |
| FUSE PRODUCTIONS LIMITED | Private company limited by shares | Live |
| Fuse Seed Holding Limited | Private company limited by shares | Live |
| FUSE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Fuse Power Technology Limited | | Live |
| Fusecross Limited | Private company limited by shares | Live |
| FUSED LIMITED | | Live |
| FUSED TAI FURNITURE LIMITED | Private company limited by shares | Dissolved |
| FUSEHIVE Interactive Media Limited | Private company limited by shares | Live |
| FUSEI HK INTERNATIONAL CO LIMITED | Private company limited by shares | Dissolved |
| FUSEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUSEN Capital Limited | Private company limited by shares | Live |
| FUSEN TRADE LIMITED | Private company limited by shares | Live |
| Fusend Investmend Limited | Private company limited by shares | Dissolved |
| Fusenda Technology Co., Limited | | Live |
| FUSENGTANG INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| Fusenta Limited | | Live |
| FUSEQ TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| Fuses & Switchgear Limited | Private company limited by shares | Live |
| FUSES UNLIMITED LIMITED | Private company limited by shares | Live |
| FuseWorks Limited | Private company limited by shares | Live |
| FuseZen Limited | Private company limited by shares | Live |