| Symbol | Name | Country | Exchange |
|---|---|---|---|
| VAIAS | Vaisala Oyj A | FI | HE |
| 2GB | 2G Energy AG | DE | F |
| 3SQ1 | AHT Syngas Technology NV | DE | F |
| AIL | Air Liquide SA | DE | F |
| CFJA | Ceres Power Holdings PLC | DE | F |
| ETG | EnviTec Biogas AG | DE | F |
| 1129 | China Water Industry Group Ltd | HK | HK |
| CEV | Centrotec SE | DE | HM |
| AKSEN | Aksa Enerji Uretim AS | TR | IS |
| BIOEN | Biotrend Cevre ve Enerji Yatirimlari AS | TR | IS |
| TKFEN | Tekfen Holding AS | TR | IS |
| MKR | Montauk Renewables Inc | ZA | JSE |
| 008370 | Wonpoong Corporation | KR | KQ |
| 004690 | Samchully | KR | KO |
| 015360 | Yesco Holdings Co. Ltd | KR | KO |
| 073560 | Woorison F&G Co. Ltd | KR | KQ |
| 119850 | GnCenergy Co Ltd | KR | KQ |
| COM | Comer Industries S.p.A | IT | MI |
| CAMBI | Cambi ASA | NO | OL |
| LR | Landi Renzo | IT | MI |