AKD - Mfr. of VHF transceivers and filters (U.K.)
Angle Linear RF Products for VHF - Microwave
BMG Engineering - Radio Direction Finding
Cubex Quad - Antenna Manufacturer
DCI Bandpass filters for VHF and UHF
Down East Microwave Inc. - VHF/UHF/SHF Equipment and Parts.
High Sierra Antennas - mobile HF antennas
Jade Products, Inc. - kits for the amateur market.
JPS Communications - DSP audio filters.
Kanga USA - kits for the amateur market.
Kentrol HomePage - PC control of Kenwood radios.
Mouser Electronics - electronic components.
Peter W. Dahl Co. - power transformers.
PolyPhaser Corp. - lightning protection devices
SSB Electronic USA - VHF/UHF/SHF Equipment and Parts.
Svetlana Electron Devices - tube manufacturer.
Tigertronics Inc - mini-TNC's for Packet and multimode