| Symbol | Name | Country | Exchange |
|---|---|---|---|
| CWT | California Water Service Group | US | NYSE |
| EESH | Eestech Inc | US | OTC |
| SGXXF | Sound Global Ltd | US | OTC |
| ZENITHSTL | Zenith Steel Pipes & Industries Limited | IN | NSE |
| BLR | Darco Water Technologies Limited | SG | SG |
| 603603 | Poten Environment Group Co Ltd | CN | SHG |
| AMD | Amiad Water Systems Ltd | IL | TA |
| PLSN | Plasson Indus | IL | TA |
| 18RA | Select Energy Services Inc | DE | F |
| 2ZC | Cadiz Inc | DE | F |
| JT5 | Mueller Water Products Inc | DE | F |
| W0S | VESTUM AB AK | DE | F |