RIVER ELETEC CORP. engages in the development, production and sales of quartz crystal units, crystal oscillators and related components. It operates through the following segments: Crystal Products and Other Electronic Components. The Crystal Products segment manufactures and sells crystal oscillators that include AT-cut and tuning fork products. The Other Electronic Components segment includes carbon film fixed resistors and non-flammable carbon film fixed resistors. The company was founded in March 1949 and is headquartered in Nirasaki, Japan.