TSUKISHIMA HOLDINGS CO. LTD.

Tsukishima Holdings Co., Ltd. provides products and services for water and sewer facilities in Japan and internationally. Its offerings include chemical injection, water treatment, and dehydration equipment, as well as plant facilities such as digestion tanks and incinerators, pressure vessels, and heat exchangers. The company also designs, manufactures, and constructs water purification plants, sewage treatment plants, biomass usage facilities, and sludge recycling facilities, and operates public-private partnership projects. In addition, it provides operational management and repair services, sells industrial chemicals and environmental equipment supplies, and engages in waste treatment, waste collection and transport, thermal recycling, and real estate management and leasing. The company was formerly known as Tsukishima Kikai Co., Ltd. and changed its name to Tsukishima Holdings Co., Ltd. in April 2023. Founded in 1905, it is headquartered in Tokyo, Japan.