Main Business Partners
- NSK Steering Systems Ltd.
- NTN Corp.
- F.C.C. Co., Ltd.
- JTEKT Corp.
- JTEKT COLUMN SYSTEMS CORPORATION
- DENSO Corp.
- TOYODA GOSEI Co., Ltd.
- Nifco Inc.
- Hitachi Astemo, Ltd.
- Bosch Co., Ltd.
- BorgWarner Morse TEC Japan KK.
- HONDA Motors Co., Ltd.
- Mitsuba Corp.
- Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Musahi Seimitsu Industry Co., Ltd.
- Yachiyo Industry Co., Ltd.
※In Japanese syllabary order. Titles omitted.