| CALGARY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALGARY LIMITED | Private company limited by shares | Dissolved |
| Calgary Petroleum Service Co., Limited | Private company limited by shares | Live |
| CALGARY COMPUTER EMBROIDERY COMPANY LIMITED | Private company limited by shares | Live |
| Delta Calgary HK Limited | | Live |
| CALGARY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CALGARY INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| CALGARY INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| CALGARY INTERNATIONAL REALTY LIMITED | Private company limited by shares | Dissolved |
| Calgary Scientific (Asia Pacific) Limited | Private company limited by shares | Live |
| Calgary Trade Limited | Private company limited by shares | Live |