| STRAITS Company Limited | Private company limited by shares | Live |
| STRAITS OIL LIMITED | Private company limited by shares | Live |
| STRAITS ASIA COMPANY LIMITED | Private company limited by shares | Live |
| STRAITS & BROTHERS CO. LIMITED | Private company limited by shares | Live |
| STRAITS LONG TEN INT CO., LIMITED | Private company limited by shares | Dissolved |
| STRAITS INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| STRAITS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| STRAITS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| STRAITS MARITIME LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Jan-1999 |
| SINGAPORE STRAITS NAVIGATION LIMITED | Private company limited by shares | Dissolved |
| STRAITS NETWORK LIMITED -THE- | Private company limited by shares | Live |
| GULF STRAITS OFFSHORE LIMITED | Private company limited by shares | Dissolved |
| Oriental Straits III Limited | Private company limited by shares | Live |
| Straits Petroleum Limited | | Live |
| STRAITS RESOURCES PTE LIMITED | Private company limited by shares | Dissolved |
| STRAITS STANDARD LIMITED | Private company limited by shares | Dissolved |