Far Circuits
- A manufacturer of Printed Circuit Boards for electronic projects that are used by the Amateur Radio and electronic hobby enthusiast. Boards are usually in stock for most of the Ham projects published in QST, QEX, ARRL Handbook, the old Ham Radio, 73's, Am
- http://www.farcircuits.net/

Dan's Small Parts and Kits
- Provides electronic parts and kits for the commercial as well as hobby electronic builder
- http://www.danssmallpartsandkits.net/

Hamtel Labs
- Presents research in QRP radio communications, antenna technology, design, and experiments.
- http://www.hamtel.com

Wilderness Radio
- Home of the popular Sierra, SST, and Norcal 40A transceivers as well as other QRP kits.
- http://www.fix.net/~jparker/wild.html

EMTECH
- Manufacturer of the NW series of QRP trancievers, the ZM-2 QRP antenna tuner, and the Ladder Gabber ladder line insulator kit.
- http://emtech.steadynet.com/

Electronics Products
- QRP kits as well as a wide variety of interesting kits and components.
- http://www.gatewayelex.com/index2.htm

S & S Engineering
- Manufacturer of quality QRP kits including the ARK series, TAC 1, and a variety of others including frequency counters and vfos for your QRP project.
- http://www.sseng.com/

qrpproject qrp and homebrew international
- Supplier off qrp kits from Hands, Small Wonder Labs, Oak Hill Research, Wilderness Radio and the German qrp club with warranty of functionality. Site is english and german language.
- http://www.qrpproject.de/

Oak Hills Research
- Manufacturers of quality QRP transceiver kits and accessories.
- http://www.ohr.com/

Red Hot Radio
- Home of the Red Hot 40, Norcal 20, and other well designed kits from Dave Fifield, AD6A (the designer of the NorCal 20 rig).
- http://www.redhotradio.com/

Small Wonder Labs
- Supplier of SSB and CW transceiver kits including DSW and PSK31 tranceivers.
- http://www.smallwonderlabs.com/

EleCraft
- Manufacturers of K-1 and K-2 QRP kits.
- http://www.elecraft.com/