Alter s.r.l. - Designs and produces microwave generators, magnetron power supplies, microwave sources and waveguide components.
http://www.altersystem.com/ more info...
Genex Srl - Offers passive components for microwaves such as attenuators, terminals potential dividers, directional couplers, and more.
http://www.genex.it/eng/index.html more info...