| Symbol | Name | Country | Exchange |
|---|---|---|---|
| CNEY | CN Energy Group Inc. | US | NASDAQ |
| CG1 | Carbonxt Group Limited | AU | ASX |
| 082270 | GemVax&KAEL Co.Ltd | KR | KQ |
| 300174 | Fujian Yuanli Active Carbon Co Ltd | CN | SHE |
| IGX | Ingevity Corporation | DE | F |
| OXQ1 | Advanced Emissions Solutions Inc | DE | F |
| YES | CHAR Technologies Ltd | CA | V |
| OXQ1 | Advanced Emissions Solutions Inc | DE | STU |
| CG1 | Carbonxt Group Ltd | AU | AU |