| Symbol | Name | Country | Exchange |
|---|---|---|---|
| OCLN | Originclear Inc. | US | OTC |
| EKOP | Ekopak BV | BE | BR |
| 002573 | Beijing SPC Environment Protection Tech Co Ltd | CN | SHE |
| 8435 | Zimmite Taiwan Ltd | TW | TWO |
| IGOT | Fomo Worldwide Inc | US | US |
| SOLV | Solventum Corp. | US | US |
| 7XZ | EKOPAK N.V. | DE | F |
| PNT | Pentair plc | DE | F |
| WCE | CECO Environmental Corp | DE | F |
| PNT | Pentair plc | DE | STU |
| GMMPFAUDLR | GMM Pfaudler Limited | IN | NSE |
| IONEXCHANG | ION Exchange (India) Limited | IN | NSE |