4 links
Optoelectronics
optoelectronics.com
Manufactures and distributes test equipment, receivers, and frequency counters for use in the scanning hobby, commercial radio, and law enforcement.
Sangean - A World of Listening
sangean.com
Sangean is a leading manufacturer of short wave and pocket radios around the world.
Yaesu Company USA
yaesu.com
Yaesu produces communications equipment for marine, amateur and shortwave use.