SDS HOLDINGS Co., Ltd. engages in the provision of energy solution services. It operates through the following segments: Energy Conservation and Renewable Energy. The Energy Conservation segment inspects, creates, designs, builds, tests, and evaluates energy conservation plans; and sells various energy-saving products. The Renewable Energy segment introduces, plans, designs, sells, constructs, and provides consulting services for biogas plants and renewable energy facilities and equipment. The company was founded by Kenji Nakamura on June 9, 1986 and is headquartered in Tokyo, Japan.