IMF -Washington (Usa)

  IWSH -Washington (Usa)

  IRC -Washington (Usa)

  MPI -Washington (Usa)

  Millemium Water Alliance (MWA) -Washington (Usa)

  Millennium Challenge Corporation -Washington (Usa)

  Millennium Water Alliance -Washington (Usa)

  Montan Global Consulting -Washington (Usa)

  NPR -Washington (Usa)

  NDPI -Washington (Usa)

  Northeast-Midwest Institute -Washington (Usa)

  OGWDW -Washington (Usa)

  OAS -Washington (Usa)

  Oxfam America -Washington (Usa)

  PAHO -Washington (Usa)

  Peace Corps -Washington (Usa) [siège]

  Plan International -Washington (Usa)

  PSI -Washington (Usa)

  PPIAF -Washington (Usa)

  R4D -Washington (Usa)

  Rights and Resources Initiative Coalition -Washington (Usa)

  Rotary Club of Washington, DC -Washington (Usa)

  Save the Children -Washington (Usa)

  SELF -Washington (Usa)

  Stantec -Washington (Usa)

  Sustainability -Washington (Usa)

  Technology Policy Institute -Washington (Usa)

  The Aspen Institute -Washington (Usa)

  Lifeline -Washington (Usa)

  U.S. Department of State -Washington (Usa)

  UN Foundation -Washington (Usa)

  USDA -Washington (Usa)

  USIS -Washington (Usa)

  United States. Navy Department -Washington (Usa)

  USAID -Washington (Usa) [siège]

  VOA -Washington (Usa)

  WinS4Girls -Washington (Usa)

  WASHplus Project -Washington (Usa) [siège]

  WSP -Washington (Usa) [siège]

  WPP -Washington (Usa)

  WAVES -Washington (Usa)

  Wilson Center -Washington (Usa)

  World Bank -Washington (Usa) [siège]

  WBI -Washington (Usa)

  WHO -Washington (Usa)

  WRI -Washington (Usa)

  WVI -Washington (Usa)

  WWF -Washington (Usa)