Masataka Ohsuka

Diamond Electric Mfg. Co., Ltd. engages in the manufacture and sale of automobile equipment and electronic control parts for air-conditioners and water heaters. It operates through the following segments: Automotive Equipment and Electronic Equipment. The Automotive Equipment segment includes ignition and electric devices. The Electronic Equipment segment includes air-conditioner controllers, inverter modules, and eco cute controller. The company was founded by Inosuke Tomita on April 10, 1937 and is headquartered in Osaka, Japan.

Mutoh Co., Ltd. manufactures and sells various medical, nursing and test & research equipment and apparatus. It also provides consultation services for the construction, expansion and renovation of new medical facilities. The company was founded in June 1918 and is headquartered in Sapporo, Japan.

Part of Sumitomo Warehouse Co., Ltd., Ohama Unyu KK is a Japanese company that engages in arranging freight transportation and provides storage services. The company is based in Kakegawa, Japan.

Matsumoto Unso Co., Ltd. engages in the business of general cargo transportation; trunk room services; general freight handling; home cleaning services; and general insurance agency business. The company was founded on March 18, 1974 and is headquartered in Kobe, Japan.

Part of Hamakyorex Co., Ltd., Higashinihon Kyuko KK is a comprehensive logistics company based in Ota, Japan. The Japanese company selects the best transportation method for product characteristics and propose customer costs. Higashinihon Kyuko KK also accepts processing work such as entry/exit work, sorting, and packing performed by the logistics center. The company was founded in 1962 and offers transportation, warehouse services, and processing work such as assembly and installation. The company was acquired by Hamakyorex Co., Ltd. on April 06, 2022.

HMK LOGI SERVICE Co., Ltd. engages in the business of courier and mail order services. It also provides the printing, sealing, packaging, transportation, information processing, consulting, storage handling, warehousing, inquiry and other businesses. The company was founded on October 15, 1968 and is headquartered in Osaka, Japan.

Somic Ishikawa, Inc. develops, designs, manufactures and sells automobile parts. Its products are ball joints and dampers. The company was founded by Kikusaburo Ishikawa in May 1916 and is headquartered in Tokyo, Japan.

Takatsuka Transport Corp. engages in the transportation and delivery business. The company was founded on June 19, 1964 and is headquartered in Koga, Japan.