Antenna Performance
- Makes antenna, tuners and accessories. USA.
- http://www.antennaperformance.com/

Streamit
- Stand-alone streaming radio player which uses IP or dial-up.
- http://www.streamit.eu/

REP Design LLC
- Universal amateur radio mobile screwdriver antenna mount that fits various makes of antennas and other antenna products. USA.
- http://www.repdesign.us/

Zhuhai Audiosky Electronic Co., Ltd
- Manufacturer of FM radio with thermometer and alarm functions. China.
- http://www.audiosky.com.cn/

Meizhou Koway Electronics Co., Ltd.
- Manufacturer of digital PLL and alarm clock radios, portable and promotional radios. China.
- http://www.koway-e.com

Dongguan Richtop Electronic Co., Ltd.
- Manufacturer of mini FM and AM auto scan radios, FM auto scan radios, and calculators. China.
- http://www.richtop.com

Richsum Electronics
- Manufactures mini radio, emergency charger, mobile phone led bonding items. China.
- http://www.gzrichsum.com/

Weybrook
- Manufacturer of radio products like dynamo, Internet and HiFi radios. Germany.
- http://www.weybrook.com

Music in every room
- Provides a radio designed specifically for kitchens and bathrooms. Retail outlets UK electrical wholesale distributors.
- http://www.musicineveryroom.co.uk

DaySequerra
- Manufacturer of high definition modular tuner designed for professional, audiophile or home theater applications.
- http://www.daysequerra.com/

Radiosophy
- Manufacturer of transportable HD Radio receiver.
- http://www.radiosophy.com

Peter W. Dahl Co.
- Transformers and chokes. New, used and custom built. Texas, USA.
- http://www.pwdahl.com/

Nortex Electronic Co.
- Surplus test equipment and components, tube amps, RF and power supply components, transformers, capacitors, power resistors, new and used parts. In Fort Worth, Texas.
- http://www.montagar.com/~patj/nortex.htm

American Trans-Coil
- Manufacturer of military parts including R390A and other radio parts for sale. USA.
- http://www.atc-us.com/