| Company Name | Type | Status |
|---|---|---|
| JAMCAM LIMITED | Private company limited by shares | Live |
| JAMCAM HK LIMITED | Private company limited by shares | Live |
| Jamce Trading Co., Limited | Private company limited by shares | Live |
| JAMCITYHK LIMITED | Private company limited by shares | Live |
| JAMCO HK LIMITED | Private company limited by shares | Live |
| Jamco Realty Limited | Live | |
| JAMCOURT FAR EAST LIMITED | Private company limited by shares | Dissolved |