| NEW BULB LIMITED -THE- | Private company limited by shares | Live |
| Bulb Advertising and Event Limited | Private company limited by shares | Live |
| BULB DESIGN LIMITED | Private company limited by shares | Live |
| PO MING BULB FACTORY LIMITED | Private company limited by shares | Dissolved |
| WING WAH (YIP'S) BULB INDUSTRIAL LIMITED | Private company limited by shares | Live |
| LONG LIFE FLASH BULB MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| BULB CREATIVE MARKETING AND ADVERTISING LIMITED | Private company limited by shares | Live |
| Solution Bulb Company Limited | Private company limited by shares | Live |
| Bulb Network Technology Co., Limited | Private company limited by shares | Live |
| WHITE BULB Trading Limited | Private company limited by shares | Live |
| Bulbble Inc. Limited | Private company limited by shares | Live |
| Bulbies Company Limited | Private company limited by shares | Live |
| BULBOND LIMITED | Private company limited by shares | Live |
| KAI CHEONG ELECTRIC BULBS FACTORY LIMITED | Private company limited by shares | Live |
| TAI WAH ELECTRIC BULBS MANUFACTORY LIMITED | Private company limited by shares | Live |
| Kee Tat Electric Bulbs Manufactory Limited | Private company limited by shares | Dissolved |
| SUNSHINE ELECTRIC BULBS FACTORY LIMITED | Private company limited by shares | Dissolved |
| THINK BULBS LIMITED | Private company limited by shares | Dissolved |
| BULBTEK LIMITED | Private company limited by shares | Live |
| RED BULBUL COMPANY LIMITED | Private company limited by shares | Live |
| BULBUL CREATIVE HK LIMITED | Private company limited by shares | Live |
| bulbulbuy Technology Co. Limited | Private company limited by shares | Live |