| Symbol | Name | Country | Exchange |
|---|---|---|---|
| 002549 | Hunan Kaimeite Gases Co Ltd | CN | SHE |
| 104830 | WONIK Materials Co.Ltd | KR | KQ |
| AGII | Aneka Gas Industri Tbk PT | ID | JK |
| AIQUY | L'Air Liquide ADR | US | OTC |
| APD | Air Products and Chemicals, Inc. | US | NYSE |
| BISA | Baltic Intl USA Inc | US | OTC |
| HGAS | Global Gas Corporation | US | US |
| HTPRF | Htc Purenergy Inc | US | OTC |
| LIN | Linde PLC | US | NYSE |
| XFLS | Xfuels Inc | US | OTC |