| Mariana Airways Limited | Private company limited by shares | Live |
| MARIANA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FLY MARIANAS LIMITED | Private company limited by shares | Dissolved |
| AIR MARIANAS LIMITED | Private company limited by shares | Dissolved |
| MARIANAS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MARIANAS NEW ZEALAND TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MARIANDA LIMITED | Private company limited by shares | Live |
| MARIANE JEWELLERY & WATCHES COMPANY LIMITED | Private company limited by shares | Live |
| MARIANN BUSINESS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| MARIANN INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Marianna Investment Co. Limited | Private company limited by shares | Dissolved |
| MARIANNA TEAM 1 LIMITED | | Live |
| MARIANNA TEAM 2 LIMITED | | Live |
| MARIANNA TEAM 3 LIMITED | | Live |
| MARIANNE SPA I LIMITED | Private company limited by shares | Dissolved |
| MARIANNE SPA II LIMITED | Private company limited by shares | Dissolved |
| MARIANNE SPA III LIMITED | Private company limited by shares | Live |
| MARIANNY JEWELLERY COMPANY LIMITED | Private company limited by shares | Live |
| Mariano Alberto Grillo Limited | Private company limited by shares | Dissolved |
| MARIANTONIO INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| Mariantonio Scaffolding Company Limited | | Live |