• Welsh Assembly Government
• Office of the Deputy Prime Minister (ODPM)
• Mineral Industry Research Organisation (MIRO)
• The Crown Estate
• British Marine Aggregate Producers Association (BMAPA)
• Amgueddfa Cymru—National Museum Wales (NMW)
•British Geological Survey (BGS)
• University of Wales Bangor (UWB)
• Countryside Council for Wales (CCW)
• Centre for Environment, Fisheries and Aquaculture Science (Cefas)
• Marine Conservation Society (MCS)
• Wildlife Trust of South & West Wales
• South Wales Sea Fisheries Committee (SWSFC)
• City & County of Swansea
• University of Wales Swansea
• Gower Society
• Hanson Aggregates Marine
• CEMEX
• United Marine Aggregates Ltd (UMA)
•Llanelli Sand Dredging Ltd
