- Anritsu Corporation
- AICHI TOKEI DENKI CO., LTD.
- IWATSU TEST INSTRUMENTS CORPORATION
- A&D Company, Limited
- NEC Avio Infrared Technologies Co., Ltd.
- M-System Co., Ltd.
- OVAL Corporation
- Olympus Corporation
- Ono Sokki Co., Ltd.
- KAIJO Corporation
- Kubota Corporation
- GRAPHTEC corporation
- Cocoresearch Inc.
- HORIBA Advanced Techno,Co.,Ltd.
- Endress+Hauser Japan Co.,Ltd.
- SANKYO PIO-TECH.CO.,Ltd.
- New Cosmos Electric Co., Ltd.
- Sony Manufacturing Systems Corporation
- Sophia Systems Co., Ltd.
- CHINO CORPORATION
- Tsuruga Electric Co., Ltd.,
- TEKHNE Corporation
- TESTO Inc.
- Digital Electronics Corporation
- TOKYO KEIKI INC.
- DKK-TOA CORPORATION
- TOKYO SEIMITSU CO., LTD.
- TOSHIBA CORPORATION
- Toyoko Kagaku Co., Ltd.
- JTEKT Corporation
- Nagano Keiki Co., Ltd
- NISSIN ELECTRONICS CO.,LTD.
- NIPPON Flow Cell
- NOHKEN INC.
- Valcom Co.,LTD
- HIOKI E. E. CORPORATION
- HYODA INSTRUMENTS CORPORATION
- FLUKE K.K.
- Panasonic Electric Works Automation Controls Co., Ltd.
- Minebea Co., Ltd.
- RION Co., Ltd.
- Riken Keiki Co., Ltd.
- RYUTAI KOGYO CO.,LTD.
- Advantec Toyo Kaisha, Ltd.
- ULVAC, Inc.
- Instron Japan Co. Ltd.
- EKO Instruments Co., Ltd.
- okunogiken
- KOITO INDUSTRIES,LTD.
- KOYO THERMO SYSTEMS CO., LTD.
- SANYO Electric Co., Ltd.
- Dalton Co.,Ltd.
- TAKASAGO LTD.
- TAKES-Group Ltd.
- TOKYO RIKAKIKAI CO., LTD.
- Tohnichi Mfg. Co., Ltd.
- Toyo Seiki Seisaku-sho, Ltd.
- NIKON CORPORATION
- Nippon Dionex K.K.
- Nihon Millipore K.K.
- FUTEC INC.
- Hitachi High-Technologies Corporation.
- Hitachi Koki Co., Ltd.
- HIRANUMA SANGYO Co., Ltd.
- HORIBA, Ltd.
- Marui & Co., Ltd.
- Mitutoyo Corporation
- Konica Minolta Sensing, Inc.
- Mettler-Toledo K. K.
- Rigaku Corporation
- LeCroy Japan Corporation
- Eaton Fluid Power Ltd.
- UTSUE VALVE CO., LTD.
- KANEKO SANGYO CO.,LTD.
- KITZ CORPORATION
- Kubota Corporation
- THE KEIHIN CO.,LTD.
- KONAN ELECTRIC CO.,LTD.
- CKD Corporation
- TAIYO, LTD.
- TACO CO., LTD.
- TOYOOKI KOGYO CO.,LTD.
- TOMOE VALVE CO., LTD.
- NAKAKITA SEISAKUSHO CO.,LTD.
- DRESSER JAPAN, LTD.
- ASCO JAPAN Co.LTD.
- Nippon Oil Pump Co., Ltd.
- NIPPON DAIYA VALVE CO.,LTD
- Hirata valve Industry Co.,Ltd.
- Fujikin Incorporated
- MIYAWAKI Inc.
- MOTOYAMA ENG. WORKS, LTD.
- RIKEN KIKI CO., LTD.
- ANLET Co.,Ltd.
- IWAKI CO.,LTD.
- EBARA CORPORATION
- Grundfos Pumps K.K.
- SHOWA DENKI CO., LTD.
- Daido Machinery Corporation
- TORISHIMA PUMP MFG.CO.,LTD.
- HEISHIN Ltd.
- MIURA CO., LTD.
- Mitsuwa Pump Co., Ltd.
- S-TEC CO.,LTD
- Okura Yusoki Co., Ltd.
- OKUDAYA GIKEN CO., LTD.
- KAWAHARA MFG.CO.LTD.
- Daifuku Co., Ltd.
- ANEST IWATA Corporation
- IMAJE K.K
- IWASAKI ELECTRIC CO., LTD.
- Kanto Seiki Co., Ltd.
- Kitamura Manufacturing Co., Ltd.
- KomatsuEngineering Corp
- Satake Chemical Equipment Mfg Ltd.
- SHINKO SEIKI CO., LTD.
- Shinko Electric Co., Ltd.
- SUZUKI CORPORATION
- Daikin Industries, Ltd.
- TAKETSUNA MANUFACTORY CO., LTD.
- OME-TOHO
- PRIMIX Corporation
- NITTO KOHKI CO.,LTD.
- Nihon Spindle Manufacturing Co., Ltd.
- NIDEC-SHIMPO CORPORATION
- Harmonic Drive Systems Inc.
- HISAKA WORKS, LTD.
- FANUC LTD.
- HORKOS CORP
- Hosokawa Micron Corporation
- HOKUETSU INDUSTRIES CO.,LTD.
- ORION MACHINERY CO., LTD.
- MARTIN ENGINEERING JAPAN LTD.
- Matsui Manufacturing,Co.,Ltd.
- Mitsui Seiki Kogyo Co., Ltd.
- Anritsu Corporation
- IDEC Corporation
- Nissin Electric Co., Ltd.
- MS Techno Co., Ltd.
- Hitachi Kokusai Electric Inc.
- Sumtak Corporation
- Sansha Electric Manufacturing Co., Ltd.
- SII NanoTechnology Inc.
- TDK-Lambda Corporation
- Photron Limited
- Nishimu Electronics Industries Co., Ltd.
- Noritake Co., Limited.
- Metrol.Co.,Ltd.
- Suiko Co., Ltd.
- Kawasaki Heavy Industries, Ltd.
- Kleentek Co., Ltd.
- Kurita Water Industries Ltd.
- kurita Engineering Co., Ltd.
- KOTOBUKI TUSHO Co., Ltd.
- ZEOTEK
- Taihokohzai Co.,Ltd.
- Dailite Co., Ltd.
- DAITO
- SE co.,ltd.
- Nomura Micro Science Co., Ltd.
- ALOKA CO., LTD.
- ASAHI LIFE SCIENCE CO.,LTD,
- Ferrotec Ceramics Corporation
- Nittan Company, Limited
- Hitachi Medical Corporation
- Hitachi Koki Co., Ltd
- MARUYAMA EXCELL Co., Ltd.
- MEISEI ELECTRIC Co.,Ltd.
