UK public sector

• Department for Environment, Food and Rural Affairs (Defra)
• Department for Transport (DfT)
• Department for Communities and Local Government
• Environment Agency for England and Wales
• Office for Water Services (OFWAT)
• Department for International Development (DFID)
• Department for Culture, Media and Sport (DCMS)
• Forestry Commission
• Natural England
• Scottish Executive
• Office of Gas and Electricity Markets (OFGEM)
• UK Round Table on Sustainable Development
• Heritage Lottery Fund
• English Heritage
• British Council
• Greater Manchester Passenger Transport Executive
• Library and Information Commission
• London Borough of Southwark Council
• East Sussex County Council
• The Crown Estate