| IMC TRANSOCEAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEAN COMPANY LIMITED | Private company limited by shares | Live |
| TRANSOCEAN SHIPPING AGENCY CO., LIMITED | Private company limited by shares | Live |
| Transocean Cross Border Supply Chain Limited | | Live |
| Transocean Capital Limited | Private company limited by shares | Live |
| TRANSOCEAN OIL (CHINA) PTE LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEAN OIL (CHINA) LIMITED | Private company limited by shares | Live |
| TRANSOCEAN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TRANS-OCEAN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TRANS-OCEAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FORTUNE TRANSOCEAN SHIPPING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEAN GLOBAL TECHNOLOGY LIMITED | | Live |
| TRANSOCEAN GROUP LIMITED | Private company limited by shares | Live |
| Transocean Oil (Hong Kong) Limited | Private company limited by shares | Live |
| TRANS-OCEAN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TRANS-OCEAN INSURANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEAN INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| TRANS-OCEAN INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEAN GIFT SHOPS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TRANS-OCEAN ELECTRONICS MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEAN MARITIME COMPANY LIMITED | Private company limited by shares | Live |
| TRANS-OCEAN PETRO-CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEAN PROPERTIES LIMITED | Private company limited by shares | Live |
| TRANSOCEAN SHIPBROKER COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Apr-2016 |
| TRANSOCEAN PACIFIC SHIPPERS LIMITED | Private company limited by shares | Dissolved |
| TRANS-OCEAN SHIPPING LIMITED | Private company limited by shares | Live |
| TRANS-OCEAN SUPPLIERS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Transocean Internet Technology Limited | Private company limited by shares | Live |
| TRANS-OCEAN INVESTMENT AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEAN TIMBER LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEAN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Transocean Trading (Asia) Company Limited | | Live |
| WISSEN TRANSOCEAN LIMITED | Private company limited by shares | Live |
| TRANSOCEAN-COMPASS CLEAN ENERGY LIMITED | Private company limited by shares | Live |
| TRANSOCEAN-COMPASS CLEAN ENERGY INVESTMENT NO. 1 LIMITED | Private company limited by shares | Live |
| TRANSOCEAN-COMPASS CLEAN ENERGY INVESTMENT NO. 2 LIMITED | Private company limited by shares | Live |
| TRANSOCEANIC LIMITED | Private company limited by shares | Live |
| Transoceanic Oil Limited | | Live |
| ASIA TRANSOCEANIC LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEANIC INVESTMENT LIMITED | Private company limited by shares | Live |
| TRANS-OCEANIC RESOURCES LIMITED | Private company limited by shares | Dissolved |
| TRANSOCEANIC SHIPPING COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| TRANS-OCEANIC SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Transoceanic Trade Limited | | Live |