| LEIGHTON M&E LIMITED | Private company limited by shares | Live |
| LEIGHTON LIMITED | Private company limited by shares | Dissolved |
| LEIGHTON INC LIMITED | Private company limited by shares | Live |
| LEIGHTON LIMITED | Private company limited by shares | Live |
| LEIGHTON 88 LIMITED | Private company limited by shares | Live |
| LEIGHTON CAPITAL LIMITED | Private company limited by shares | Live |
| LEIGHTON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LEIGHTON ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| Grand Leighton Limited | Private company limited by shares | Live |
| LEIGHTON RESTAURANT LIMITED | Private company limited by shares | Live |
| Rockwell Leighton Co. Limited | Private company limited by shares | Live |