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.