Toshio Aoi

Yokohama Shinko Co., Ltd. is a private company that provides commercial advertising, real estate sales promotion, and management services. The company was founded in 1975 and is based in Yokohama, Japan. It also has subsidiaries in Japan.

For-A Co. Ltd. is a video device manufacturer based in Japan. The Japanese company develops, manufactures, and sells broadcasting equipment and industrial video equipment. The private company offers a variety of products for video production, signal processing, monitoring, and archives. The company has a global presence of subsidiaries in several regions. For-A Co. was founded by Katsuaki Kiyohara and Keizo Kiyohara.

Part of Yokohama Maruuo Co., Ltd., Kawasaki Maruuo Co., Ltd. is a company that wholesales marine products. The company is based in Kawasaki, Japan.