| Company name |
| AICHI ELECTRIC WIRE CO., LTD. |
| AKASHI ELECTRIC WIRE CO., LTD. |
| ARAI CO., LTD. |
| ISHIZUE MAGNET WIRE WORKS LTD. |
| INTERWIRED CO., LTD. |
| SHOWA FURUKAWA CABLE CO., LTD. |
| EBARA ELECTRIC WIRE CO., LTD. |
| OSAKA CAMBRIC CABLE INSULATED MFG. WORKS |
| OCC CORPORATION |
| ONAMBA CO., LTD. |
| OKANO CABLE CO., LTD. |
| OKI ELECTRIC CABLE CO., LTD. |
| KANAN SHINDOSHO LTD. |
| KANEKO CORD CO., LTD. |
| KAYO ELECTRIC WIRE CO., LTD. |
| KAWAI CABLE, LTD. |
| KAWASAKI ELECTRIC WIRE CO., LTD. |
| KANSAI TSUSHIN DENSEN CO., LTD. |
| KANZACC CO., LTD. |
| KIJIMA COMMUNICATIONS WIRE CO., LTD. |
| KITANIHON ELECTRIC CABLE CO., LTD. |
| KYOTO ELECTRIC WIRE CO., LTD. |
| KYOWA LIMITED |
| KYOWA ELECTRIC WIRE INDUSTRY CO., LTD. |
| KYOKUTO ELECTRIC WIRE CO., |
| KURAMO ELECTRIC CO., LTD. |
| KHD ELECTRONICS CO., LTD. |
| KOEI ELECTRIC WIRE CO., LTD. |
| KOYO ELECTRIC WIRE CO., LTD. |
| KOWA CO., LTD. |
| SAWADA KOGYOSHO CO., LTD. |
| SAN-EI ELECTRONIC INDUSTRIES CO., LTD. |
| SANYO CO., LTD. |
| SANYO DENKO CO., LTD. |
| SANYO ELECTRIC WIRE CO., LTD. |
| JMACS JAPAN CO., LTD. |
| SHIKOKU CABLE CO., LTD. |
| SHINAGAWA ELECTRIC WIRE CO., LTD. |
| JUNKOSHA INC. |
| SHOWA SEISEN CO., LTD. |
| SWCC SHOWA CABLE SYSTEMS CO., LTD. |
| SHIN-ETSU ELECTRIC WIRE CO., LTD. |
| SHINKO ELECTRIC INDUSTRIAL CO., LTD. |
| SHINKO ELECTRIC WIRE CO., LTD. |
| SUGANAMI ELECTRIC WIRE CO., LTD. |
| SUMIDEN HITACHI CABLE LTD. |
| SUMIDEN FINE CONDUCTORS CO., LTD. |
| SUMITOMO ELECTRIC INDUSTRIES, LTD. |
| SUMITOMO ELECTRIC WINTEC, INC. |
| SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD. |
| SUMITOMO ELECTRIC INDUSTRIAL WIRE & CABLE INC. |
| SUMITOMO WIRING SYSTEMS, LTD. |
| SEIWA DENKO CO., LTD. |
| DAIEI ELECTRIC WIRE IND. CO., LTD. |
| DAIKYO ELECTRONICS WIRE SALS CO., LTD. |
| DAIKO DENKOSHA CORP. |
| DAIKOKU ELECTRIC WIRE CO., LTD. |
| TAISHO ELECTRIC WIRE CO., LTD. |
| DYDEN CORPORATION |
| TAIYO CABLETEC CORPORATION |
| TAKAHASHI ELECTRIC WIRE CO., LTD. |
| TAKEUCHI ELECTRIC WIRES WORKS CO., LTD. |
| TATSUTA TACHII ELECTRIC CABLE CO., LTD. |
| TATSUTA ELECTRIC WIRE & CABLE CO., LTD. |
| TANAKA DENSEN CO., LTD. |
| CHUGOKU ELECTRIC WIRE & CABLE CO., LTD. |
| TSUSHIN KOGYO ELECTRIC WIRE & CABLE CO., LTD. |
| TSUDA KOGYO ELECTRIC WIRE & CABLE CO., LTD. |
| TOKYO ELECTRIC WIRE INDUSTRIAL CO., LTD. |
| TOTOKU ELECTRIC CO., LTD. |
| TOKYO WIRE WORKS, LTD. |
| NAGAOKA ELECTRIC WIRE CO., LTD. |
| NANBOKU COPPER WIRE DRAWING CO., LTD. |
| NISHIOSAKA SEISEN CO., LTD. |
| NISHI NIPPON ELECTRIC WIRE & CABLE CO., LTD. |
| NIKKATSU ELECTRIC WIRE WORKS, LTD. |
| NIKKO ELECTRIC WIRE CO., LTD. |
| NIKKO DENSEN KOGYO CO., LTD. |
| NIPPON SEISEN CABLE, LTD. |
| NIPPON CURL CORD CO., LTD. |
| NIHON VINYL CORD CORP. |
| HANSHIN ELECTRIC WIRE & CABLE CO., LTD. |
| BANDO DENSEN CO., LTD. |
| HIEN ELECTRIC INDUSTRIES, LTD. |
| HITACHI METALS, LTD. |
| HIRAKAWA HEWTECH CORP. |
| FUKUDEN CO., LTD. |
| FUJIKURA LTD. |
| FUJIKURA DIA CABLE LTD. |
| FUJI ELECTRIC CABLE CO., LTD. |
| FUJI ELECTRIC WIRE CO., LTD. |
| FUJI ELECTRIC WIRE INDUSTRIES CO., LTD. |
| FUJI FINE CO., LTD. |
| FURUKAWA AUTOMOTIVE SYSTEMS INC. |
| FURUKAWA ELECTRIC CO., LTD. |
| FURUKAWA ELECTRIC INDUSTRIAL CABLE CO., LTD. |
| FURUKAWA MAGNET WIRE CO., LTD. |
| BESSHO CABLE & WIRE ASSEMBLY CO., LTD. |
| HOKUETSU ELECTRIC WIRE MFG. CO., LTD. |
| HOKKAIDO ELECTRIC INDUSTRIES, LTD. |
| MARUIWA ELECTRIC WIRE CO., LTD. |
| MIKI ELECTRIC WIRE CO., LTD. |
| MISAWA DENSEN CO., LTD. |
| MISUZU CO., LTD. |
| MITSUBOSHI CO., LTD. |
| MUSASHI WIRE CO., LTD. |
| MEIKO FUTABA CO., LTD. |
| YASAKA ELECTRIC WIRE CO., LTD. |
| YAZAKI ENERGY SYSTEM CORPORATION |
| YUKITA ELECTRIC WIRE CO., LTD. |
| YOSHINOGAWA ELECTRIC WIRE & CABLE CO., LTD. |
| YONEZAWA ELECTRIC WIRE CO., LTD. |
| RIKEN CABLE TECHNOLOGY CO., LTD. |
| RIKEN ELECTRIC WIRE CO., LTD. |
| RYOSEI AMAGASAKI ELECTRIC WIRE CO., LTD. |