Almost All Digital Electronics: Hobby kits, assembled units and software for electronics hobbyists, engineers and radio amateurs.
ApogeeKits: Electronic kits, tools, instruments, and free tutorials.
BA1404 Chips for Sale: Sells hard-to-find BA1404 chip for low-power FM broadcast band radio transmitter projects. Includes links to low-power FM broadcasting resources.
Barend Hendriksen HF Electronics: Radio and RF electronic components from stock, in The Netherlands.
Cinnabar Electronics: Offers a selection of transformers, chokes and parts.
Computer Controlled Automation: Offers crystal radio supplies such as germanium diode variable capacitor.
Crystal Radio Supply: Crystal radios kits, parts, and supplies.
Display Electronics: Supplier of electronic surplus parts from Thornton Heath, Surrey in England.
Electrojunk: Buy, sell and swap vintage audio, radios, military, crystal sets, paper, parts, radio, scientific, tubes, from Alvin, TX
Electronic Rainbow: Electronic kits for the hobbyist, education, industry, detective operations, and law enforcement. Includes CB sound, radio direction finder, and ham caller id kits.
Electronic Surplus: Sellers of VHF radios. Connectors, brand names, oscilloscopes, frequency counters, ECG parts and semiconductors, chips, and circuit boards. Buy online.
ESKA Crystals: Supplier of quartz crystals, oscillators and filters, both discrete and SMD versions.
EzATV: Amateur TV transmitters, receivers, and accessories for ham radio operators. List of dealers and distributors, online ordering.
Fair Radio Sales Company Inc.: Sales of military and industrial surplus radio and electronics items, parts, and tubes. Lima, Ohio.
HamRadioFun: Radio kits, including a wide band active antenna, outdoor shortwave antennas, ham radio QRP transmitter, and an antenna tuner.
Harbach Electronics: Amplifier parts including heath wafer switches. Run by W8CQ in Melbourne, Florida.
HobbyKits4U: Manufacturer and retailer of hobby and educational electronic kits.
International Radio: Crystal IF radio filters and performance enhancements for ham and shortwave radio products, also publications.
Jackson Harbor Press: Ham radio related kits and chips such as Morse code keyers.
Jan Philipp Wüsten Elektronik: Vintage electronic parts supplier in Germany. On-line catalog.
Lloyd's Dipsy Dumpster: Parts and pieces, advice, and vintage schematics. Extensive lists of old capacitors, and resistors.
Low Power Radio: Sells low power AM radio transmitters.
Max-Gain Systems: Air Variable Capacitors, RF Relays, capacitors, and fiberglass tubing.
Mercury Magnetics: Featuring power and audio transformers.
Mini-Kits: Electronic kits and components. From Australia.
Nationwide Radio & Eq. Sales LLC: Offers a variety of amateur radio parts and accessories.
NHRC Repeater Controllers: Repeater controllers and related accessories for amateur and land-mobile radios. Order by mail or phone.
North Country Radio: Kits, including transmitters and receivers. Technical articles and information on electronic subjects geared towards ham radio, shortwave and video projects.
Ocean State Electronics: New and hard to find electronic components, kits, test equipment, and accessories..
Powerwerx.com: Anderson powerpoles and OEM power connectors for amateur radio and other DC Hobbies. Also, batteries, RF adapters, bulk wire, red/black zip cord.
Quality Kits: Components and kits for audio, RF, digital, and antenna projects.
Ramsey Electronics: Hobby kits, amateur radio gear, antennas, AM/FM broadcasters, security and monitoring cameras, test equipment, and tools. Downloadable catalog [PDF], FCC information, and forums.
Sherwood Engineering Inc.: Kits, components, and custom IF filter enhancements for most communications receivers.
SHF Microwave Parts Company: Microwave and RF parts for datalinks, television, voice, and telemetry.
Sphere Research Test Equipment: New and used electronic test equipment, tubes, semiconductors, RF and microwave products, and sliderules.
SS Tran: Sells the AMT3000 Broadcast Transmitter Kit, a Part 15 low-power AM radio broadcast transmitter. Includes details and background information, specifications, contact and purchasing information.
Surplus Stuff: Surplus electronic parts, tubes, transformers, equipment, and technical manuals for sale.
Transel Corporation: Manufactures and sells communication equipment and spare parts. Includes online catalog, prices and shopping cart.
W7CKW: Gerald Cluff: High voltage capacitors, tubes, parts, and antennas for sale.