IHI CORPORATION

CHUO-KOKI CO., LTD.

AISHIN SEIKI CO., LTD.

DENSO CORPORATION

AXIS MATERIA LTD.

DENSO MANUFACTURING KITAKYUSHU CO.,LTD.

ASAHI SHO-KO-SHA CO., LTD.

TOSHIBA CORPORATION

ANEST IWATA CORPORATION

TOKYO DIAMOND TOOLS MFG. CO., LTD.

IWASE SANGYO CO., LTD.

NACHI KANTO CO., LTD.

UNO., INC,

NITOLEX CORPORATION

NTN CORPORATION

NIKKEN CORPORATION

AUTECH JAPAN INC.

NIHON SEIKI CO., LTD.

OKAZAKI SEIKO CO., LTD.

NSK LTD. AND GROUP COMPANIES

KYUSHU ITOH SEIKO CO., LTD.

NIPPON TUNGSTEN CO., LTD.

KYUSHU TABUCHI CO., LTD.

NSK SPARK PLUG CO., LTD.

KYUSHU MIZUHO CO., LTD.

NIHON HARD METAL CO., LTD.

KYOEI KIKO CO., LTD.

HITACHI TOOL ENGINEERING, LTD.

KYOCERA CORPORATION

FUJI DIE CO., LTD.

KENNAMETAL JAPAN INC.

HONDA MOTOR CO., LTD.

KOSHUHA PRECISION CO., LTD.

MAPAL K.K.

KOBAYASHI CORPORATION

MITSUI ENGINEERING &SHIPBUILDING CO., LTD.

SANKO MACHINERY CO., LTD.

MITSUBISHI HEAVY INDUSTRIES, LTD.

SANDVIC AB.

YASUDA BUSSAN 

SANDVIC TOOLING SUPPLY JAPAN K.K.

YAMADA CO., LTD.

SHIGIYA MACHINERY WORKS LTD.

YAMAHA SEMICON CO., LTD.

SUGIMOTO & CO., LTD.

RIKEN CO., LTD.

SECO TOOLS JAPAN K.K.

RIKEN KIKAI CO., LTD.

DIJET INDUSTRIAL CO., LTD.