ELNA CO., LTD. is a Japan-based manufacturing company mainly engaged in the manufacture and sale of capacitors and printed circuit boards (PCBs). The Capacitor segment, together with its domestic and overseas subsidiaries, manufactures and sells aluminum electrolytic capacitors, electric double-layer capacitors, aluminum electrolytic capacitors for acoustic systems and others. The PCB segment is engaged in the manufacture and sale of PCBs, including build-up printed wiring boards (PWBs), multi-layer (BVH) PWBs and flat through hole PWBs. As of December 31, 2011, the Company had 12 subsidiaries and one associated company.