Communications
- 441
- iPlayPower
- Apple iPhone 3G and 3GS screen repair service. Also sells iPhone accessories and repair parts.
- 442
- Kanga US
- Importer of QRP kits manufactured by Kanga Products in England. Also several original kits and those from KK7B and Hands Electronics.
- 445
- QRPproject
- Supplier of QRP kits from Hands, Small Wonder Labs, Oak Hill Research, Wilderness Radio and the German QRP club with warranty of functionality. [English and German]
- 450
- Amateur Electronic Supply
- Amateur radio equipment dealer. Product comparisons, downloadable catalog, propagation forecast, mailing list, and links.
- 451
- American MilSpec
- Supplier of surplus and collector's military radio communication equipment, and parts and accessories.
- 452
- Associated Radio
- Offers new and used equipment. Includes hours and order information. Located in Overland Park, Kansas.
- 454
- Columbia Electronics
- Various brands of military surplus transmitters sold, bought or traded. Located near Los Angeles.
- 455
- EMTECH
- Manufacturer of the NW series of QRP transceivers. Antenna tuners, ladder line insulator kits, antenna insulators.
- 456
- EleCraft
- Manufacturers of K-1 and K-2 QRP kits, and also offers HF and CW transceivers, pre-amps and antennas.