Sage Millimeter-Wave: http://www.sagemillimeter.com/home
Everything waveguide: https://www.everythingrf.com; waveguide sizes
Reactel:
MIWV: http://www.miwv.com/
VDI:
Microwave Dynamics:
AMS – Wireless Research & Technology Consulting
Wireless Communication & Sensing Technology; Quantum Information Science & Engineering; Grants & Intellectual Property
Sage Millimeter-Wave: http://www.sagemillimeter.com/home
Everything waveguide: https://www.everythingrf.com; waveguide sizes
Reactel:
MIWV: http://www.miwv.com/
VDI:
Microwave Dynamics: