（※順不同）
- CKD Corporation
- FURUKAWA UNIC CORPORATION
- JTEKT CORPORATION
- Kawasaki Heavy Industries, Ltd.
- Knorr Bremse Commercial Vehicle System Japan Ltd.
- Kubota Seiki Co.,Ltd.
- MITSUBISHI HEAVY INDUSTRIES, LTD.
- Nabtesco Corporation
- TADANO LTD.
- TOYOTA INDUSTRIES CORPORATION
- NACHI TohokuSeiko Co.,Ltd
- BANZAI INDUSTRIES LTD
- Koganei Corporation
- TAIYO, LTD.
- Aoki Technical Laboratory, Inc.
- TAIHEI ERECTRIC., LTD
- KYB Corporation
- SANWA SEIKI LTD.
- Howa Machinery, Ltd.
- ASAHI SUNAC CORPORATION
- NIPPON SHARYO, LTD.
- UNIVANCE CORPORATION
- KUBOTA Corporation.
- Murata Machinery, Ltd.
- HORIUCHI MACHINERY Co., Ltd
- Kobe Steel, Ltd.
- DMG MORI. CO., LTD.
- SYSMEX CORPORATION
- Mitsubishi Logisnext Co., Ltd.
- YANMAR HOLDINGS CO., LTD.
- TOYO DENKI SEIZO K.K.
- Japan Transport Engineering Company
- Hitachi Astemo, Ltd.
- MIKI PULLEY CO., LTD.
- NAKAMURA JIKO CO.,LTD.
- AIDA ENGINEERING, LTD.
- YASUICORPORATION
- ShinMaywa Industries, Ltd.
- Bosch Corporation
- SUGIYASU CORPORATION
- TOYOOKI KOGYO CO.,LTD.
- Sodick Co.,Ltd.
- Sugino Machine Limited