1.

Yoshidumi

2.

Yoshimoto Robotics Laboratory

3.

Youmemiru

4.

Yukai Engineering

5.

Yumeido

6.

Yushin Precision Equipment 1973-10-22

7.

zabuton

8.

ZAIZEN

9.

Zen Products 2020

10.

Zenport Inc.

11.

Zergsoft

12.

ZMP