All Spectrum Electronics  QRP Kits, Receivers, Transmitters, Amps, and more
Almost All Digital Electronics
Amateur Radio Receivers
CanaKit  Canada - High quality electronic kits & modules
Chassis Kits & Custom Enclosures  by Charles, K3IWK
Circuit-Test Kits
Crystal Radio Kits and Parts
DFD2  Digital frequency readout kit for Collins S line, FT-101, SB-301 and TS-520
Elecraft  Innovative  Electronic  Kits
EMTECH  QRP kits and more
Far Circuits  Printed circuit boards
Fox Delta Amateur Radio Projects & Kits  Excellent website by Dinesh, VU2FD
Genesis G40  40m All-mode 5W SDR Radio Transceiver KIT
Hendricks QRP Kits
Kanga (U.S.A.)  Kits, TiCK keyers, crystals and much more
Lake Electronics
NorCal 40A  by Wilderness Radio
Oak Hills Research
Parallax  Educational and custom kits
Quality Kits  Canada
RP Electronics - Canada  Experimenter kits and modules
Ramsey Kits - Headquarters
Red Hot Radio
Small Wonder Kits (NN1G)
S & S Engineering  Transceiver and test equipment kits
Ten-Tec  Worldwide reputation for excellent radios and kits
The 'Rock-Mite'  Simple CW transceiver for 40 or 20 meters
Vectronics  Receivers, keyers, etc
Vectronic Kits  Canada
Velleman Kits  U.S.A.
Wilderness Radio  QRP rigs for the outdoor enthusiast