Enterprises Of Past Conferences
| GE | Siemens | Dow | Veolia |
| Doosan | Toray | Degremont | Nitto |
| Denko | Abengoa | BASF | ITT |
| KSB | AG | LG | Koch |
| IDE | AsahiKASEI | Hyflux | Pentair |
| Pall | PUB | Singapore | RRS |
| Cadagua | ACS | COBRA | Aqualyng |
| Black&veatch | ACWA | Toshiba | Hitachi |
| LANXESS | Fesia | Sidem | EBARA |
| Outokumpu | ERI | Biwater | Sulzer |
| Pump | Engineering | Calder | AG |
| Industeel | Naclo | SembCorp | Utilities |
| Inge | A.G. | Toyobo | BWA |
| Prominent | Wabag | BRACK | Genesys |
| Woongjin | Chemical | Amiad | Hach |
| Butting | Schlumberger | Water | CH2M |
| HILL | Flowserve | FCC | Grundfos |
| Pump | Kurita | Danfoss | Mitsubishi |
| Sumitomo | Corporation | Porex | AkzoNobel |
| ANDRLIZ | Modern | Water | GEMU |
| ABB | Litree | Harbin | ROPV |
| Bray | MOTIMO | Vontron | Wave |
| Cyber | Canpure | Scinor | Cobetter |
| Nanfang | Punp | Haier | TCL |
| 3M | A.O.Smith | Unilever | Ozner |
| Angelgroup | Tritech | SOLAREAST | Iwowater |