JVCKenwood - Amateur radio information, product registration and dealer locator. K-Po - A wholesale distributor of consumer electronics that includes citizen band radio, marine radio, PMR-446, and police scanners. Heil Sound Ltd. - Manufacturer of microphones, headsets and accessories for the amateur radio and commercial radio markets. AOR Inc - Authority On Radio Communications, Inc. Manufacturer of communications receivers for amateur and professional users. Also antennas and bandpass filters. Alinco, Incorporated - Amateur transceivers, PMR/FRS and receivers. Radio information and product manuals, dealer locator, parts and service. Galaxy Radios - Manufacturer of amateur radios, CB radios and accessories. Ameritron - Amplifiers, antenna tuners, user manuals, photo tour, international dealer list. Hamtronics Inc. - Manufacturer of commercial and amateur VHF and UHF radio equipment. The Vibroplex Company, Inc. - Manufacturer of telegraphy keys, bugs and keyers as well as spare parts and repair service. Pervisell Ltd. - Supplier of demodulators and related software as well as custom design and production services for electronic systems. NCG Company - North American distributor for COMET and MALDOL brand antenna products and distributor of DAIWA brand RF SWR/power meters and switching power supplies. Barker and Williamson - Manufacturers of antennas, masts, and coil products, principally for the amateur market as well as military, commercial, and emergency use. R. A. Kent Engineers - Designers and manufacturer of keys, paddles and bugs for transmission of Morse code and related modes. Stargun Antennas - Manufacturer and supplier of base and mobile antenna systems for HF to UHF. Eurofrequence Dierking - Meier-NT GmbH - Manufacturer and supplier of communications and measurement products, including antennas, assemblies, devices and adaptors. [English and German] Alpha Delta Communications - Manufacturers and distributors of coaxial surge protectors, switches, mobile and fixed wire antennas and communications speaker systems. Hamtel Labs - Presents research in QRP radio communications, antenna technology, design, and experiments. ICOM Worldwide - Information on ICOM radio products for the amateur market. Cushcraft Corporation - Manufacture and develop communications antennas for the amateur and commercial markets.