Major housebuilders including Barratt Homes, Bellway Homes, Rok, Persimmon Homes, Charles Church Developments, C.G. Fry & Son and Strongvox, as well as individual house owners and builders.

Industrial, mineral and infrastructure developers such as the Easter Group, Ashville Properties Ltd, Terramond, Hanson Aggregates UK, Highways Agency, Railtrack, Travis Perkins, Wessex Water, Aggregate Industries UK, Hills Waste Solutions Ltd and Interroute.

Consultants and planners/architects including AA Environmental LLP, Andrew Wilson Partnership, Baker Shepherd Gillespie, Salmon Planning Company, Terence O’Rourke, WSP Environmental, Land & Mineral Management, White Young Green, Barton Wilmore, Jacobs, Hilson Moran and DPDS Consulting.

Local and regional authorities and agencies including Devon County Council, North Somerset Council, West Somerset District Council, Somerset County Council, South Somerset District Council, South Gloucestershire Council, Welsh Development Agency and Somerset Primary Care Trust.

Agencies and organisations involved in nature conservation such as Countryside Council for Wales, Natural England, the Environment Agency, the National Trust and Somerset Environmental Records Centre.

Sustainable Technologies and Developments such as NPower, YourEnergy and Sustrans.