Amco srl
Angelantoni Test Technologies 
Asterisco
BIMAL – Test Industry srl
Brufani Precision Mechanics srl 
CBL Electronics
Co.Me.Ar
Costruzioni Meccaniche Castellani
Eltrev
Excogita
Fomap
Fucine Umbre
Garofoli
High Technology Center Spa
Mecom
Ncm
Officina Meccanica Merendoni 
Oma
Qfp
Ramal
Rampini
RF Microtech
serms
sistematica
Tecno Meccanica
temis
Umbria Aerospace Systems 
Umbra Group