microcentrali idroelettriche:
http://www.accessweb.it/it/microturbine_idroelettriche/kaplan-pro-1500-watt.htm
http://www.aurorapower.net/products/categoryid/4/list/1/level/a/productid/234.aspx
vite di archimede
http://www.roncuzzi.com/IT/energia.html
http://www.andritz.com/it/no-index/oi-pumps-archimedean-screw-pumps.htm
minicentrali idroelettriche:
http://www.tamanini.it/ (Trento)
www.airamsistemi.it/ (Perugia)
http://www.irem.it/ITA/linee/idroelettrico.html (Torino)
http://www.simeenergia.com/home.htm (Ascoli Piceno)
http://www.epfenergy.com/ (Cuneo)
http://www.toyeturbine.it/ (Torino)
centrali idroelettriche:
http://www.zeco.it/?lang=it (Italia)
http://www.hsi-hydro.com/ (Germania)
http://www.kleinstwasserkraft.de/index.php (Germania)
http://www.andritz.com/hydro.htm (Austria)
http://www.gugler.com/english/pro_kaplan (Austria)