- Daihatsu Motor Co., Ltd.
- Ducati Motor Holding S.p.A.
- Hino Motors, Ltd.
- Honda Motor Co., Ltd.
- Honda R&D Co., Ltd.
- Iseki & Co., Ltd.
- Isuzu Motors Ltd.
- Kawasaki Heavy Industries, Ltd.
- Komatsu Cummins Engine Co., Ltd.
- Komatsu Ltd.
- Kubota Corp.
- Mazda Motor Corp.
- Mitsubishi Fuso Truck and Bus Corp.
- Mitsubishi Heavy Industries, Ltd.
- Mitsubishi Motors Corp.
- Nissan Motor Co., Ltd.
- Nissan Shatai Co., Ltd.
- Shimano Inc.
- Subaru Corp.
- Suzuki Motor Corp.
- Tohatsu Corp.
- Toyota Industries Corp.
- Toyota Motor Corp.
- UD Trucks Corp.
- Yamaha Motor Co., Ltd.
- Yanmar Holidngs Co., Ltd.
Excerpt only, as at January 2020.
in alphabetical order
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