Mitsunobu Kojima

Ryobi Systems Co., Ltd. provides information technology solutions for administrative, social security, and medical fields. It also offers system construction, IT outsourcing, and software development. The company was founded on June 5, 1965 and is headquartered in Okayama, Japan.

Ryobi Holdings Co., Ltd. engages in the transportation business. It operates transportation hubs, logistics and distribution warehouses, hotels, and leisure facilities. The company was founded on July 31, 1910 and is headquartered in Okayama, Japan.

Think Corp. is a holding company that offers information technology systems development to the local government. Its focus is on the development and marketing of computer systems and software for monitoring non-payment of tax and water rate systems. The firm's software solutions encompass THINKTAX, THINKTAX Web, THINKSUIDO, public housing non-payment arrangement system, national insurance fee (tax) non-payment arrangement system, and Zenchogata. The company was founded in December 1985 and is headquartered in Tagawa, Japan.

Part of Ryobi Systems Co., Ltd., Dreamgate KK is a Japanese company that specializes in providing store management systems, product management, stock management, customer management systems, and mail order systems. The company was founded in 2014 and is based in Osaka, Japan. Dreamgate KK offers electronic calculation and on-site store information services, with a focus on specialty and fashion products. It was acquired by Ryobi Systems Co., Ltd. on November 30, 2021.

Wada Corp. /Kagawa/ is a Japanese company located in Marugame. The firm develops and construct condominiums. It was founded in 1998.