AFC Japan Corporation / Hyperion Materials&Technologies

Association of Deburring Surface finishing and Cleaning

COOL TECH LTD.

DAIKIN INDUSTRIES, LTD. / NIPPON MUKI CO., LTD.

EHWA DIAMOND CO., LTD.

EISEN Co., Ltd. / RESMO TOOL / SION DIAMOND Co., Ltd.

Fukuda Corporation

FUTAMURA MACHINES & TOOLS CO.,LTD.

GLOBAL DIAMOND CO.,LTD.

Irino Machinery Co., Ltd.

JAPAN RIHON  Co., Ltd.

JTEKT GRINDING TOOLS CORPORATION / JTEKT MACHINE SYSTEMS CORPORATION

KAMOGAWA  CO., LTD.

KIMURA Mfg.Co.,Ltd.

Makino Seiki Co.,Ltd.

Meister inc.

MISUZU CO., LTD.

NAGASE INTEGREX CO., LTD.

Nagel Aoba Precision Co., Ltd.

NIPPON DIAMOND CO.,LTD.

Nitolex Corporation

Okamoto Machine Tool Works,Ltd.

Rollomatic Japan K.K.

RYOCOSEIKI CO.,LTD.

SANWA CREATION Co.,Ltd.

SCD co.,jp

Sessaku Forum21

Sigma Electronics Co., Ltd.

Sohryu Sangyo Co., Ltd.

SUN MAINTENANCE KOKI CO.,LTD.

TAIYU CO.,LTD.

Three-F Giken Co., Ltd.

TOKUPI

Tokyo Diamond Tools Mfg. Co., Ltd.

TOYO KENMAZAI KOGYO LTD.

Trio Co., Ltd.

Trustwell Co.,Ltd. / Dia Materials Co.,Ltd.