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| SUNAIDAR TRADE LIMITED | Private company limited by shares | Live |
| SUNAIR LIMITED | Private company limited by shares | Live |
| SUNAIR TECHNOLOGY TRADE CO., LIMITED | Private company limited by shares | Live |
| SUNAIR INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SUNAIR INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| SUNAIR INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| SUN-AIR TRAVEL LIMITED | Private company limited by shares | Live |
| Sunairgas International (HK) CO., Limited | Private company limited by shares | Live |
| SUNAIS INTERNATIONAL ENTERPRISE CO., LIMITED | Private company limited by shares | Live |