SEMIC RF Electronic GmbH was founded in 1986 and has now become one of the main business partners in the field of high- and very high-frequency technology from DC to Terahertz (THz) range frequencies.
SEMIC RF is offering special RF feedthroughs and connectors which are resistive against pressure, radiation and temperature.
http://www.semic.de
Orient Microwave Corporation is one of the leading companies of coaxial connectors, feedthroughs, cable assemblies and components for RF & Microwave use. While it is located in Japan, it was originally founded 25 years ago as a joint company with Omni-Spectra in the US. http://www.orient-microwave.com/english/index.html