Keigo Ashikaga

Part of FHT holdings Corp., Turbolinux, Inc. develops and distributes operating system software. The company is based in Tokyo, Japan.

konekto, Inc. engages in software and system development. The firm's services include consulting, system integration, support services for various open source products, promoting educational business and system development by web system. The company was founded on September 11, 2001 and is headquartered in Tokyo, Japan.

Part of Environment Friendly Holdings Corp., Tokan KK is a Japanese company based on the technology and experience that has been nurtured so far, mainly focused on valuable water reconstruction work. The company is based in Tokyo, Japan. The company's goal is to build a sustainable development that aims for a ring-shaped economic society. The company contributes to the local community by cleaning the water used in life and returning it naturally. With their accumulated experience and youthful technicians, they perform the design, construction, sales, and management of water treatment equipment. The company also focuses on the aftercare of the construction site and ensure the healthy functions of the water treatment facility. Tokan KK was acquired by Environment Friendly Holdings Corp. on February 28, 2013 for $0.33 million.

Part of Mirarth Holdings, Inc., Leben Clean Energy Co., Ltd. is a company based in Tokyo, Japan that focuses on solar power generation. The Japanese company develops power purchase agreements and power plants, manage and maintain over 200 solar power plants nationwide, and acquire operating solar power plants. The company was founded in 2016 and aims to achieve a carbon-neutral world. On April 13, 2021, Leben Clean Energy Co. was acquired by Mirarth Holdings, Inc. from ACA Energy KK.

Area Energy Ltd. engages in the operation, management, and distribution of electricity from renewable energy. It also offers consulting services for selection and investigation of business land; various applications related to power generation; construction supervision and process management work; operation and maintenance of power stations and creation of engineering report of solar power plant. The company was founded on November 25, 2014 and is headquartered in Tokyo, Japan.