Red Plast -Douala (Cameroun)

  RECAAD - (Cameroun)

  REHC Sarl -Yaoundé (Mfoundi/Centre)(Cameroun)

  REIc -Yaounde (Cameroun)

  RAEDD -Douala (Wouri/Littoral)(Cameroun)

  AME -Bafoussam (Mifi/Ouest)(Cameroun)

  RAFPEEC -Douala (Wouri/Littoral)(Cameroun)

  RACE -Akwa (Wouri/Littoral)(Cameroun)

  REFELA-Cam - (Cameroun)

  RAJAPI-COP Africa -Bastos, Yaoundé (Cameroun) [siège]

  CAMERWASH-JN -Yaoundé (Mfoundi/Centre)(Cameroun)

  RECOJAC - (Cameroun)

  REPTA Cameroun -Garoua (Bénoué/Nord)(Cameroun)

  RNHC -Yaoundé (Mfoundi/Centre)(Cameroun)

  SERCOD -Yaoundé (Mfoundi/Centre)(Cameroun)

  Serphy TP -Yaoundé (Mfoundi/Centre)(Cameroun)

  SAILD -Yaoundé (Mfoundi/Centre)(Cameroun)

  SAILD -Maroua (Diamaré/Extrême-Nord)(Cameroun)

  SAILD -Bafoussam (Mifi/Ouest)(Cameroun)

  SHER Ingénieurs-Conseils s.a. -Douala (Cameroun)

  SNV -Maroua (Diamaré/Extrême-Nord)(Cameroun)

  SNV -Yaoundé (Mfoundi/Centre)(Cameroun)

  SNV -Yokadouma (Boumba et Ngoko/Est)(Cameroun)

  SNEC -Douala (Wouri/Littoral)(Cameroun)

  SNEC -Yaoundé (Mfoundi/Centre)(Cameroun)

  SATOM -Yaoundé (Mfoundi/Centre)(Cameroun)

  SOKET -Yaoundé (Cameroun)

  Solarly -Yaoundé (Cameroun)

  SEDDE -Yaoundé (Cameroun)

  Solidarité Technologique -Yaoundé (Cameroun)

  South West Regional Centre of Research and Innovation -Buea (Cameroun)

  Sunrise engineering group Sarl -Bertoua (Lom-Et-Djerem/Est)(Cameroun)

  Sustainable & Sanitation Alliance - (Cameroun)

  SYNCOLEK -Monatélé (Lekié/Centre)(Cameroun)

  SYCOMI -Bafia (Mbam et Inoubou/Centre)(Cameroun)

  SYDEV -Ngaoundéré (Vina/Adamaoua)(Cameroun)

  SEVES - (Cameroun)

  Tam-Tam Mobile -Yaoundé (Mfoundi/Centre)(Cameroun)

  Tockem -Dschang (Menoua/Ouest)(Cameroun)

  Tribunal administratif Yaoundé -Yaoundé (Mfoundi/Centre)(Cameroun)

  UGPAMO -Ambam (Vallée du Ntem/Sud)(Cameroun)

  UNESCO -Yaoundé (Mfoundi/Centre)(Cameroun)

  UNICEF -Yaoundé (Mfoundi/Centre)(Cameroun)

  UNICEF -Maroua (Diamaré/Extrême-Nord)(Cameroun)

  IUCN -Yaoundé (Mfoundi/Centre)(Cameroun)

  URAD -Yaoundé (Mfoundi/Centre)(Cameroun)

  Université de Bamenda -Bamenda (Mezam/Nord-Ouest)(Cameroun)

  Université de Douala -Douala (Wouri/Littoral)(Cameroun)

  Université de Dschang -Dschang (Menoua/Ouest)(Cameroun)

  Université de Maroua -Maroua (Diamaré/Extrême-Nord)(Cameroun)