1.
Yamashita Hospital
2.
Yamato Scientific
3.
Yamazen
4.
Yasuhara Chemical
5.
YMC
6.
Yokogawa Electric Corp.
7.
Yokota Manufacturing
8.
Yonemori Hospital
9.
Yonkyu
10.
Yoshindo 1962
11.
Yotei Agricultural Cooperative Association
12.
YuiMedic 2009