Ny Haja -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Ny Havana -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Ny Ranontsika -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Ny Tanintsika -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Observatoire de la Jeunesse -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  OMNIS -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  OCHA -Antananarivo (Madagascar)

  ONCD -Antananarivo (Madagascar)

  ONN -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  ONE -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  ONG AFO -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  EMC -Antananarivo (Madagascar)

  ONG TARATRA -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Orange Solidarité Madagascar -Antananarivo (Madagascar)

  OLEP -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  ICCO -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  OIM -Antananarivo (Madagascar)

  OMS -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Taratra -Antananarivo (Antananarivo I/Analamanga)(Madagascar) [siège]

  OSC EAH -Antananarivo (Madagascar) [siège]

  FIFTAMA -Antananarivo (Antananarivo Atsmondrano/Analamanga)(Madagascar)

  Sorea -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  OSC WASH -Antananarivo (Madagascar)

  Oxaurus -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  PRX Madagascar -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  PMJE -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  pasan-sahaza -Antananarivo (Madagascar)

  Petit Pied -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Plasticlean -Antananarivo (Madagascar)

  Plastique Expert -Antananarivo – Behintsy (Madagascar)

  PINGOs -Antananarivo (Madagascar)

  HINA -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Point du Jour -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Polyfloss -Antananarivo (Madagascar)

  Polywater -Antananarivo (Madagascar)

  PSI -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  Positive Planet -Antananarivo (Madagascar)

  Practica Foundation -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  PreDiff -Antananarivo (Madagascar)

  PwC -Antananarivo (Antananarivo I/Analamanga)(Madagascar) [agence]

  PAM -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  PAEAR -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  PROSPERER -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  PNUD -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  PAAEP -Antananarivo (Madagascar)

  PDC -Antananarivo (Antananarivo I/Analamanga)(Madagascar)

  PRODUIR -Antananarivo (Madagascar)

  PIC -Antananarivo (Madagascar)

  PROMANIA -Antananarivo Renivohitra (Antananarivo I/Analamanga)(Madagascar)

  Proplast -Antananarivo (Madagascar)