CC Terre d'Eaux -Brégnier-Cordon (Ain/Auvergne-Rhône-Alpes)(Francia)

  CD 01 -Bourg-en-Bresse (Ain/Auvergne-Rhône-Alpes)(Francia)

  Electr'eau Partage -Belley (Ain/Auvergne-Rhône-Alpes)(Francia)

  NIRAS -Vantaa (Finlandia)

  SRK -Bern (Suiza)