All Electronics
Almost All Digital Electronics
 American Science & Surplus
Antique Electronic Supply
Cana Kit
Carl's (Kits) Electronics
Centerpointe
Chip Quik, Inc  SMD (Surface Mount Device) removal kit
Circuit Specialists
Debco Electronic Kits
EleCraft
Electronics-USA (Whiterook)
Embedded Research
Emtech
Gateway Electronics
Gibson Tech
Hallbar Electronics
HF Bands QRP Linear Amplifier  by SM0VPO
Jackson Harbor
Kanga USA
Kangaroo Tabor Software  Tools for Amateur Radio
K Series Keyers (KLEL)  by K1EL
Lake Electronics
LDG Electronics
MPJA Electronics
NogaPiG
Norcal
Oak Hills Research
QRP HomeBuilder Homepage
Quality Kits
Radio Adventures
Rainbow Kits
Ramsey Electronics
Red Hot Radio
RF Parts
Science Workshop
Small Wonder Labs
S & S Engineering  Transceiver and test equipment kits
Ten-Tec  Worldwide reputation for excellent radios and kits
The Electronic Cookbook Archive
Vectronics  Receivers, keyers, etc
Vectronics Electronic Kits - Canada
Wilderness Radio  QRP rigs for the outdoor enthusiast