| ALL OCEANS SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SILVER OCEANS LIMITED | | Live |
| Super Oceans Holding Company Limited | Private company limited by shares | Live |
| 5 Oceans Technology Limited | Private company limited by shares | Live |
| Three Oceans & Company Limited | Private company limited by shares | Live |
| OCEAN'S TRADE LIMITED | Private company limited by shares | Live |
| Two Oceans Trading Limited | Private company limited by shares | Live |
| Three Oceans Trading Limited | Private company limited by shares | Live |
| THREE OCEANS FINANCE AND TRADING LIMITED | Private company limited by shares | Dissolved |
| TRANS OCEANS TRADING LIMITED | Private company limited by shares | Live |
| UNITED OCEANS COMPANY LIMITED | Private company limited by shares | Dissolved |
| WASTE FREE OCEANS ASIA LIMITED | Company limited by guarantee | Live |
| OCEANSAAS CO., LIMITED | Private company limited by shares | Live |
| OCEANSCENE LIMITED | Private company limited by shares | Dissolved |
| Oceanscience Group Co., Limited | | Live |
| Oceanscience Technology Co., Limited | Private company limited by shares | Live |
| OCEANSET TYPOGRAPHERS LIMITED | Private company limited by shares | Dissolved |
| Oceanshell Technology Limited | Private company limited by shares | Live |
| OCEANSHINE SHIPPING INTERNATIONAL CO., LIMITED | | Live |
| Oceanship Limited | | Live |
| OCEANSIDE LIMITED | Private company limited by shares | Dissolved |
| OCEANSKY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| OCEANSKY INVESTMENTS LIMITED | Private company limited by shares | Live |
| Oceanskyfly Limited | | Live |
| OceanSmart Lover Company Limited | Private company limited by shares | Live |
| OCEAN-SPAN LIMITED | Private company limited by shares | Dissolved |
| OCEANSPAN SHIPMANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| OceanStar General Limited | Private company limited by shares | Live |
| SHENZHEN OCEANSTAR EXPORTING GROUP LIMITED | Private company limited by shares | Live |
| OceanStar Lover Company Limited | Private company limited by shares | Live |
| OCEANSTAR MARITIME COMPANY LIMITED | Private company limited by shares | Live |
| OCEANSTAR SHIPPING & TRADING PTE LIMITED | Private company limited by shares | Live |
| Oceanstars Limited | | Live |
| OCEANSTONE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| OCEANSTRONG SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| OCEAN-STYLES LIMITED | Private company limited by shares | Dissolved |
| Oceansun Badminton Club Limited | Private company limited by shares | Live |
| Oceansun New Energy (H.K) Company Limited | Private company limited by shares | Live |
| OceanSun (HongKong) Offshore Engineering Co., Limited | Private company limited by shares | Live |
| OCEANSUN MACHINERY LIMITED | Private company limited by shares | Live |
| OceanSXL Hongkong Limited | Private company limited by shares | Live |
| OCEANTEAM SHIPPING LIMITED | Private company limited by shares | Dissolved |
| OCEANTEC COMPANY LIMITED | Private company limited by shares | Live |
| OCEANTEC MARITIME LIMITED | Private company limited by shares | Live |
| OCEANTEC SOLUTIONS LIMITED | Private company limited by shares | Live |
| OCEANTECH LIMITED | Private company limited by shares | Dissolved |
| OCEANTEL LIMITED | Private company limited by shares | Live |
| OCEANTEX LIMITED | Private company limited by shares | Dissolved |
| SHAOXING OCEAN-TEX CO., LIMITED | Private company limited by shares | Live |
| OCEANTEX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| OCEANTEX FASHIONS LIMITED | Private company limited by shares | Live |
| OCEANTEX INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| OCEANTEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OCEANTIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Oceantic Limited | Private company limited by shares | Live |
| OCEAN-TIMBER INTIMATE COMPANY LIMITED | Private company limited by shares | Live |
| OCEANTIME SHIPPING LIMITED | Private company limited by shares | Dissolved |
| OCEANTRAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PMM OCEANTRANS LIMITED | Private company limited by shares | Live |
| OCEANTREND LIMITED | Private company limited by shares | Dissolved |
| HONGKONG OCEAN-UNITED INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| OceanUp Company Limited | | Live |
| OCEANUS LIMITED | Private company limited by shares | Dissolved |
| OCEANUS LIMITED | Private company limited by shares | Live |
| Oceanus HK Company Limited | Private company limited by shares | Live |
| OCEANUS LAB LIMITED | Private company limited by shares | Live |
| CMC Oceanus HK Limited | | Live |
| Oceanus Capital (Asia) Limited | Private company limited by shares | Live |
| Oceanus Business Limited | Private company limited by shares | Live |
| OCEANUS SUPPLY CHAIN LIMITED | Private company limited by shares | Live |
| OCEANUS CONSULTANCY LIMITED | Private company limited by shares | Live |
| Oceanus Digital Limited | | Live |
| OCEANUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| OCEANUS HOLDING LIMITED | Private company limited by shares | Dissolved |
| Oceanus Holding Limited | Private company limited by shares | Live |
| OCEANUS INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| OCEANUS MARITIME COMPANY LIMITED | Private company limited by shares | Live |
| Oceanus Offshore Drilling Limited | Private company limited by shares | Live |
| Oceanus Shipping Limited | Private company limited by shares | Live |
| OCEANUS SHIPPING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Oceanus Strategic Limited | Private company limited by shares | Live |
| OCEANUS SYSTEMS LIMITED | Private company limited by shares | Live |
| OCEANUS TEXTILES LIMITED | Private company limited by shares | Live |
| OCEANUSGAL INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| Oceanus-world Limited | Private company limited by shares | Live |
| OCEANVIC MARINE TRADING AND SERVICES PVT LIMITED | | Live |
| Oceanview Maritime Limited | Private company limited by shares | Dissolved |
| OCEANVIEW ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| OCEANVISION ENTERPRISE LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Jan-2016 |
| OCEANVISION ENTERPRISE LIMITED | Private company limited by shares | Live |
| OCEANWARD LIMITED | Private company limited by shares | Dissolved |
| OCEANWARD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| OCEAN-WAY LIMITED | Private company limited by shares | Dissolved |
| OCEANWAYS LIMITED | Private company limited by shares | Dissolved |
| OCEANWE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| OCEANWE SHIPPING LIMITED | Private company limited by shares | Live |
| OCEANWELL LIMITED | Private company limited by shares | Dissolved |
| OCEANWELLS LIMITED | Private company limited by shares | Live |
| OCEANWICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| OCEANWIDE INC LIMITED | Private company limited by shares | Live |