Soil Association
http://www.soilassociation.org/
Green Dragon
http://www.greendragonems.com/
Pembrokeshire County Council Pembrokeshire Produce Mark
http://www.pembrokeshire.gov.uk/content.asp?Language=&id=10305&nav=101,154,983&parent_directory_id=646
dotnet works ltd
http://www.dotnetworks.co.uk