Shinji Shiraishi

Ihara Construction Industry Co. Ltd. engages in general construction and civil engineering services. The company has operations related to construction design and management. They also handle housing development and real estate businesses. Ihara Construction Industry was established in June 30, 1949 and is based in Shizuoka, Japan. The firm has other offices around Japan.

Kunimine Enterprise KK provides investment services.

Part of Rasa Corp., Asahitech Co., Ltd. designs, constructs, maintains petrochemical plants, semiconductor plants, food processing plants, and pharmaceutical plants. The company is based in Ichihara, Japan. Asahitech Co. was acquired by Rasa Corp. on December 15, 2014 for $11.02 million.

Part of Kunimine Industries Co., Ltd., Kanto Bentonite Kogyo KK is a Japanese company that distributes coals and minerals. The company is based in Tokyo, Japan. Kanto Bentonite Kogyo KK was acquired by Kunimine Industries Co., Ltd. on April 01, 2008.

Part of Rasa Corp., Izumi Co., Ltd. (Tokyo) is a Japanese company that manufactures and distributes synthetic resins, metal foils, and chemical products. The company is based in Tokyo, Japan. Izumi Co., Ltd. (Tokyo was acquired by Rasa Corp. on January 10, 2012 for $18.24 million.

Part of Kunimine Industries Co., Ltd., Trans World Prospect Corp. is a company that engages in mining and distributing minerals. The company is based in Casper, WY.