| Anglian Water |
| Arup Consultancy |
| CIRIA |
| Halcrow |
| Hydro International |
| IETG Consultancy |
| International Water Association (IWA) |
| MWH |
| Northumbrian Water |
| Scottish Hydraulics Study Group |
| Scottish Water |
| Sensors for Water Interest Group (SWIG) |
| Severn Trent Water |
| Thames Water |
| United Utilities |
| UK Water Industry Research (UKWIR) |
| Water Research Centre (WRc plc) |
| Welsh Water |
| WSP |
| Yorkshire Water |
