| NEPTUNE LIMITED | Private company limited by shares | Live |
| NEPTUNE OIL COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE HK LIMITED | Private company limited by shares | Live |
| AT Neptune Limited | Private company limited by shares | Live |
| Neptune Inc Limited | Private company limited by shares | Live |
| CL Neptune Limited | Private company limited by shares | Live |
| NEPTUNE TEC LIMITED | Private company limited by shares | Live |
| GAS NEPTUNE LIMITED | Private company limited by shares | Live |
| NEPTUNE LIMITED | Private company limited by shares | Live |
| TIL Neptune Company Limited | Private company limited by shares | Live |
| NEPTUNE A LIMITED | | Live |
| Neptune Ice Limited | | Live |
| NEPTUNE ADVERTISING LIMITED | Private company limited by shares | Live |
| NEPTUNE ASIA LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE ASIA LIMITED | Private company limited by shares | Live |
| NEPTUNE CAPITAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE DIGITAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Neptune Digital Limited | Private company limited by shares | Live |
| NEPTUNE II PUB & DISCO LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE PUB & DISCO LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE DRAGON COMPANY LIMITED | Private company limited by shares | Dissolved |
| Neptune e-Commerce Limited | | Live |
| SNI SPEEDY NEPTUNE INTERNATIONAL EXPRESS LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE 972 TRADE FINANCE LIMITED | Private company limited by shares | Live |
| NEPTUNE GLORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOLD NEPTUNE LIMITED | Private company limited by shares | Dissolved |
| AXA Neptune Holding Limited | Private company limited by shares | Live |
| NEPTUNE HOLDING LIMITED | Private company limited by shares | Live |
| Neptune Holding Limited | | Live |
| CHINA NEPTUNE INDUSTRIAL CO., LIMITED | | Live |
| ZHEJIANG NEPTUNE INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| NEPTUNE INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE RESOURCES INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE INVESTMENTS LIMITED | Private company limited by shares | Live |
| HK NEPTUNE JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE MARITIME LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL NEPTUNE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE PARADISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE PHARMA LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE REALTY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Neptune Resources Limited | Private company limited by shares | Live |
| NEPTUNE RESTAURANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE SAILING LIMITED | | Live |
| NEPTUNE SHIPPING COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| NEPTUNE SHIPPING LIMITED | Private company limited by shares | Live |
| NEPTUNE SHIPPING LIMITED | | Live |
| Neptune Offshore Solutions Limited | | Live |
| SPEEDY NEPTUNE LINES LIMITED | Private company limited by shares | Dissolved |
| SPEEDY NEPTUNE INTERNATIONAL TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| NEPTUNE TRADE LIMITED | Private company limited by shares | Live |
| NEPTUNE WEALTH LIMITED | Private company limited by shares | Live |
| Neptunecraft Company Limited | Private company limited by shares | Live |
| NEPTUNES SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| NEPTUNESNOWS LIMITED | | Live |
| SHANGHAI NEPTUNEY INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |