Comprehensive Water Services: TSS Tokyo Water Co., Ltd.

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TSS with abundant experience and total technology is committed to deliver safety and trustworthy services to customers, being aware of the public missions of waterworks.


We support the lifeline through the integrated operation with Bureau of Waterworks, Tokyo Metropolitan Government.

As a partner of Bureau of Waterworks, we support the lifeline to supply safe and palatable water sustainably.

We provide customer-oriented services.

Our abundant experience and advanced technology fulfill our customersf needs and expectations for comfortable lives.

We pass on waterworks technology.

We make every effort to enhance capacity building, research and development to pass on the accumulated total technology and know-how covering from water sources to faucets.

We contribute to the development of water business.

We will contribute to the efficient development of water business through flexible and steady management.