| Newport Oil & Gas Limited | Private company limited by shares | Dissolved |
| NEWPORT INC LIMITED | Private company limited by shares | Live |
| NEWPORT ADVERTISING LIMITED | Private company limited by shares | Live |
| NEWPORT ASIA LIMITED | Private company limited by shares | Live |
| NEWPORT AUTOMATION LIMITED | Private company limited by shares | Dissolved |
| NEWPORT CAPITAL LIMITED | Private company limited by shares | Live |
| NEWPORT DRAGON LIMITED | Private company limited by shares | Dissolved |
| Newport Enterprise Limited | | Live |
| NEWPORT ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Live |
| NEWPORT FINANCE LIMITED | Private company limited by shares | Live |
| NEWPORT INVESTMENT LIMITED | Private company limited by shares | Live |
| NEWPORT ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| NEWPORT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| NEWPORT INVESTMENTS LIMITED | Private company limited by shares | Live |
| NEWPORT CAPITAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| Capital Newport Investments Limited | Private company limited by shares | Live |
| NEWPORT MARITIME LIMITED | Private company limited by shares | Dissolved |
| NEWPORT PUBLICATIONS LIMITED | Private company limited by shares | Dissolved |
| NEWPORT RESOURCES, LIMITED | Private company limited by shares | Dissolved |
| Newport Resources Company Limited | Private company limited by shares | Live |
| NEWPORT SALES LIMITED | Private company limited by shares | Dissolved |
| NEWPORT SHOE COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEWPORT SOLUTION LIMITED | Private company limited by shares | Dissolved |
| NEWPORT.NET LIMITED | Private company limited by shares | Dissolved |