BrolloSiet srl - Specialised in transformers and led technologies.
http://www.brollosiet.com/home_eng.php
Celme s.r.l. - Specialized in the design and production of oil immersed three phase transformer power up to 15 MVA and voltages up to 36kV.
https://celmetransformers.com/
Euroelettro S.p.a. - Italian builders of high-voltage transformers.
https://emea.hammondpowersolutions.com/