UK private sector

• Nickel Institute
• Cobalt Research Consortium
• Joint Environment Programme (of Powergen, National Power and Eastern Electric)
• Powergen
• Thames Water Utilities Ltd
• United Utilities Water Plc
• Southern Water
• Yorkshire Water Plc
• British Gas Plc
• National Consumers Council
• North West Water Ltd
• (former) Nuclear Electric Plc
• Paper Federation of Great Britain
• Quarry Products Association
• UK Water Industry Research Ltd
• Unilever, Netherlands and UK