JFW Industries, Inc., founded in 1979 and headquartered in Indianapolis, is a world leader in designing and manufacturing RF and microwave components, as set out on its official About page. It specializes in RF attenuators (fixed, manual, step, and rack-mounted test systems), RF switches (solid-state, electro-mechanical, and matrix), power dividers and combiners, terminations, impedance-matching pads, and automated RF test systems controllable via Ethernet, Serial, or GPIB. These products serve automotive, aerospace, defense, telecommunications, wireless, and public-safety customers, supporting uses such as OEM test equipment and laboratory testing.