| MAYO COMPANY LIMITED | Private company limited by shares | Dissolved |
| Mayo and Calder Limited | Private company limited by shares | Live |
| MAYO GAI KI CO., LIMITED | Private company limited by shares | Live |
| MAYO INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| USA Mayo Hospital Group (Asia) Limited | Private company limited by shares | Live |
| HANG ZHOU STANDARD MAYO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| MAYO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Mayo Investments Limited | Private company limited by shares | Dissolved |
| MAYO MEDICAL INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| MAYO RESEARCH AND PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| MAYO SHIPPING LIMITED | Private company limited by shares | Dissolved |
| MAYO TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| Mayoccino & Co., Limited | Private company limited by shares | Live |
| Mayoki Investment Limited | Private company limited by shares | Live |
| MAYOMA Group Limited | Private company limited by shares | Live |
| MAYON LIMITED | Private company limited by shares | Dissolved |
| MAYON (ASIA) LIMITED | Private company limited by shares | Dissolved |
| MAYON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAYON SKIN HEALTH LIMITED | Private company limited by shares | Dissolved |
| MAYON HOLDING LIMITED | Private company limited by shares | Live |
| MAYON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Mayon International Company Limited | Private company limited by shares | Live |
| MAYON INVESTMENTS LIMITED | Private company limited by shares | Live |
| MAYON KNITTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAYON SOLUTIONS LIMITED | Private company limited by shares | Live |
| Mayona Limited | Private company limited by shares | Live |
| MAYONG LIMITED | Private company limited by shares | Dissolved |
| Mayong Investment Company Limited | Private company limited by shares | Live |
| MAYOR ASIA LIMITED | Private company limited by shares | Dissolved |
| MAYOR INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAYOR PROPERTIES LIMITED | Private company limited by shares | Live |
| MAYORAL GROUP LIMITED | Private company limited by shares | Live |
| MAYORAL MODA INFANTIL SA LIMITED | Private company limited by shares | Live |
| Mayoral Trading Limited | Private company limited by shares | Live |
| INVERSIONES MG MAYORCENTER C.A LIMITED | Private company limited by shares | Dissolved |
| MAYORIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAYOR'S RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| MAYOR'S SUPERMARKET LIMITED -THE- | Private company limited by shares | Dissolved |
| MAYOTTE LIMITED | Private company limited by shares | Dissolved |
| MAYOUNG LIMITED | Private company limited by shares | Live |
| MAYOUNG ELECTRIC INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| Mayoung Accountancy & Management Limited | Private company limited by shares | Live |
| MAYOUTH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAYOWORKS LIMITED | Private company limited by shares | Live |