Commonwealth Science Council -London (United Kingdom)

  COMMUNITY DEVELOPMENT AND HEALTH INITIATIVES - (United Kingdom)

  Consumers International -London (United Kingdom)

  Cranfield University -Cranfield (United Kingdom)

  CRC Press -London (United Kingdom)

  Cregneish Ltd -London (United Kingdom)

  CREH -Lampeter Ceredigion (United Kingdom)

  CRIDF - (United Kingdom)

  Crossflow Consulting -Bath (United Kingdom)

  D-AiR - (United Kingdom)

  DOPSL -London (United Kingdom)

  DelAgua -Lower Fyfield (United Kingdom)

  DIAGEO - (United Kingdom)

  Diversey, A Part Of Sealed Air - (United Kingdom)

  Drinking Water Inspectorate -London (United Kingdom)

  Durham University - (United Kingdom)

  Earth Security Group -London (United Kingdom)

  Earthscan Ltd -London (United Kingdom)

  Earthwatch Institute -Oxford (United Kingdom)

  Eco Action Games - (United Kingdom)

  Ecolab - (United Kingdom)

  Elrha -Cardiff (United Kingdom)

  enairgalices - (United Kingdom)

  End Water Poverty -London (United Kingdom)

  Energy 4 Impact (ex. GVEP International) -London (United Kingdom)

  EMI -Calgary (United Kingdom)

  EWB -London (United Kingdom)

  EWK -Cambridge (United Kingdom)

  Environment Agency England & Wales -Rotherham (United Kingdom)

  Ethical Tea Partnership -London (United Kingdom)

  EBRD -London (United Kingdom)

  EJSR - (United Kingdom)

  Evidence on Demand -Hemel Hempstead (United Kingdom)

  Excellent Development -London (United Kingdom)

  EY - (United Kingdom)

  Fairtrade Foundation -London (United Kingdom)

  FFI -Cambridge (United Kingdom)

  Feedback Madagascar -London (United Kingdom)

  Filles, Pas Epouses -London (United Kingdom)

  Flowminder -London (United Kingdom)

  Fondation Mo Ibrahim -London (United Kingdom)

  FCDO -London (United Kingdom)

  Forest Trends - (United Kingdom)

  Fountain Water Ltd - (United Kingdom)

  Franceys - Sustainable Water and Sanitation for all -Maulden (United Kingdom)

  Frank Water - (United Kingdom)

  Freelance Wash - (United Kingdom)

  FAN -London (United Kingdom)

  FoE -London (United Kingdom)

  futureau consulting limited - (United Kingdom)