| Symbol | Name | Country | Exchange |
|---|---|---|---|
| HOKCF | The Hong Kong and China Gas Company Limited | US | OTC |
| HOKCY | The Hong Kong and China Gas Company Limited | US | OTC |
| TGASF | Towngas China Co Ltd | US | OTC |
| 0003 | Hong Kong and China Gas Co Ltd | HK | HK |
| 1083 | Towngas China Co Ltd | HK | HK |