NGK Insulators, Ltd. engages in the manufacture and sale of electric power-related equipment, industrial ceramics, and beryllium copper products. It operates through the following segments: Power, Ceramics, and Electronics. The Power segment manufactures and sells power insulators, devices, and sodium sulfur batteries. The Ceramics segment produces and sells automotive & industrial ceramics, industrial heating systems, and refractory materials. The Electronics segment manufactures and sells beryllium copper products, ceramics for industrial electronics & semiconductor manufacturing, electronic components, and molds. The company was founded on May 5, 1919 and is headquartered in Nagoya, Japan.