Link to the Associazione Industriale Bresciana (Brescia Industrial Association), which represents a relevant part of small, medium and large companies that make up the economical and social fabric of the Province of Brescia.
www.aib.bs.it

Link to ANGAISA, the National Traders’Association, which develops initiatives and projects involving the whole hydrothermosanitary sector.
www.angaisa.it

AVR is the industrial association of this category that represents Italian companies in this sector nationally and internationally.
www.associazioneavr.it

Here, an Italian National Regulation Body, you can find all published Italian norms.
http://www.uni.com/it/

Find all of the main Worldwide search engines in this link. Take advantage of this powerful means for more in depth and complex research.
www.motoridiricerca.it