Iwatani Corporation

https://www.iwatani.co.jp/eng/

STR Japan K.K.

http://www.str-soft.co.jp/

OS TECH Co.,Ltd,

http://www.ostech.co.jp/english/

Osaka Asahi Co., Ltd.

http://www.osaka-asahi.com/

Oxide Corporation

https://www.opt-oxide.com/en/

Crystal Systems Corporation

http://www.crystalsys.co.jp/english/index_e.html

GlobalWafers Japan Co., Ltd.

https://www.sas-globalwafers.co.jp/eng_index.html

Koike Corporation

https://www.koike.co.jp/e_koike/

Kogakugiken Corp.

http://www.kogakugiken.com/

C&A Corporation

http://www.c-and-a.jp

JX Nippon Mining & Metals Corporation

https://www.nmm.jx-group.co.jp/english/

JFE MINERAL COMPANY, LTD.

https://www.jfe-mineral.co.jp/e_mineral/

SHINKOSHA CO., LTD.

http://www.shinkosha.com/english/

Sumitomo Metal Mining Co., Ltd.

http://www.smm.co.jp/E/

Sumitomo Electric Industries, Ltd.

https://global-sei.com/

SUMCO CORPORATION

https://www.sumcosi.com/english/

Dai-ichi Kiden Co.,Ltd.

http://www.d-kdn.co.jp/eng/

Dai-ichi Dentsu Ltd.

https://www.daiichi-dentsu.co.jp/en.html

DAISHINKU CORP.

https://www.kds.info/

TAIYO YUDEN CO., LTD.

http://www.ty-top.com/

TSUBAKIMOTO KOGYO CO., LTD.

https://www.tsubaki.co.jp/en/

TECHNO SEARCH CORP.

http://www.techno-search.co.jp/

Toyoda Gosei Co., Ltd.

https://www.toyoda-gosei.com/

Toyota Central R&D Labs., Inc.

https://www.tytlabs.com/

NIKON CORPORATION

https://www.nikon.com/

NICHIA CORPORATION

http://www.nichia.co.jp/en/about_nichia/

NISSIN GIKEN Corporation

http://www.nissin-giken.co.jp/

NIPPON STEEL CORPORATION

https://www.nipponsteel.com/en/

NGK Insulators, Ltd.

https://www.ngk-insulators.com/en/#nav-global-languageindex.html

Quantum Design Japan, Inc.

https://www.qd-japan.com/

NIHON DEMPA KOGYO CO., LTD.

https://www.ndk.com/en/

Pulstec Industrial Co., Ltd.

http://www.pulstec.co.jp

Fine Crystal Co., Ltd.

http://finecrystal.co.jp/

FUTEK FURNACE, INC.

http://www.futekfurnace.com/

FURUYA METAL. Co., Ltd.

http://www.furuyametals.co.jp/english/

Mipox Corporation

https://www.mipox.co.jp/en.html

Miyama, Inc.

http://www.miyama.net/

YAMAJU CERAMICS CO.,LTD.

http://www.yamajuceramics.co.jp/english/

Rigaku Corporation

https://www.rigaku.com/en