Ny Mamoha -Ambositra (Ambositra/Amoron'i Mania)(Madagascar)

  NY RAVO -Analanjirofo (Vavatenina/Analanjirofo)(Madagascar)

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

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

  Ny Tanintsika -Ambositra (Ambositra/Amoron'i Mania)(Madagascar)

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

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

  OCHA -Antananarivo (Madagascar)

  OIEau -Miarinarivo (Miarinarivo/Itasy)(Madagascar)

  ONCD -Antananarivo (Madagascar)

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

  ONN -Antsirabe vakinankaratra (Madagascar)

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

  ONE -Toamasina (Toamasina I/Atsinanana)(Madagascar) [agence]

  Office Régional de la Nutrition -Tuléar (Toliara/Atsimo-Andrefana)(Madagascar) [agence]

  ORN -Fianarantsoa (Fianarantsoa/Haute Matsiatra)(Madagascar)

  ORN -Toamasina (Toamasina I/Atsinanana)(Madagascar) [agence]

  ORN -Ambovombe Androy (Ambovombe Androy/Androy)(Madagascar)

  ORN -Vakinankaratra (Antsirabe I/Vakinankaratra)(Madagascar)

  OSM -Mahajanga (Mahajanga I/Boeny)(Madagascar)

  Onaib -Toamasina (Toamasina I/Atsinanana)(Madagascar)

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

  ONG Bel'Avenir -Tuléar (Toliara/Atsimo-Andrefana)(Madagascar)

  ONG-CCD -Antalaha (Madagascar)

  EMC -Antananarivo (Madagascar)

  Lalona -Antsirabe vakinankaratra (Madagascar)

  MBG -Antsiranana (Antsiranana I/Diana)(Madagascar) [agence]

  Ranosoa -Antsiranana (Antsiranana I/Diana)(Madagascar) [siège]

  FSG -Toamasina (Toamasina I/Atsinanana)(Madagascar)

  SEED Madagascar - (Tôlanaro/Anosy)(Madagascar)

  TANDAVANALA -Fianarantsoa (Fianarantsoa/Haute Matsiatra)(Madagascar)

  Ong Tanjona -Ambohidranandriana (Antsirabe II/Vakinankaratra)(Madagascar)

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

  Orange Solidarité Madagascar -Antananarivo (Madagascar)

  ODDIT -Toamasina (Toamasina I/Atsinanana)(Madagascar)

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

  OADD -Sabotsy Namehana (Antananarivo Avaradrano/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 Soanindrariny -Soanindrariny (Antsirabe II/Vakinankaratra)(Madagascar)

  OSC EAH -Antananarivo (Madagascar) [siège]

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

  OPCI Volamena Maevatanana - (Maevatanana/Betsiboka)(Madagascar)

  OPCI d’AMBATO-BOENY -Ambato-Boeny (Ambato-Boeni/Boeny)(Madagascar)

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

  OSC Tsarafara GTF -Ambohimiadana (Andramasina/Analamanga)(Madagascar)

  OSC WASH -Antananarivo (Madagascar)

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