Manufacturers of Amateur Radio Accessories, affectionately known as HAM radio.
MFJ manufactures QRP radios, antennas, manual and automatic antenna tuners, antenna switches, antenna analyzers, Morse Code keyers and accessories, and various other products HF/VHF/UHF frequencies. Ameritron manufactures high power HF amplifiers. Hy-gain and Cushcraft manufacture rotators and HF vertical, beam and wire antennas. Mirage makes VHF/UHF amplifiers. Vectronics is an electronic kit company and also manufactures some HF tuners and accessories.