Founded as urban engineering division of L Leybold Co., Ltd.

Began domestic production of water treatment equipment and devices. (chlorine sterilizers, high-speed sand filtration devices, flow gauges, meters, etc.)

Began operating as NIHON ONSENKAN KAISHA, Ltd.

Changed name to SUIDO KIKO KAISHA, LTD.

Established subsidiary Suiki Technos, Co., Ltd.

Entered capital and work partnership with Toray Industries, Inc.

Strengthened capital and work partnership with Toray Industries, Inc.
Become responsible for all water treatment business in Toray Group.

Established Suido Kiko Middle East (SKME), LLC. in Saudi Arabia.

Delivered Japan’s largest membrane filtration facilities (Kinuta Water Treatment Plant, Kinuta Shimo Water Treatment Plant) to city of Tokyo.

Delivered desalination plant for use by 900MW coal-fired plant (Maizuru Power Station)
Established BLUESTAR(JIAOZUO)WATER TREATMENT CO.,LTD.

Saudi Arabian wastewater lake purification project wins “Global Water Award 2011”.
Delivered Sojeco desalination plant(Saudi Arabia).

Establishment of a strategic partnership by Suido Kiko, METAWATER, and Kokusai Kogyo aimed at providing a one stop solution in the drinking water and wastewater business.

Established SUIDO KIKO VIETNAM CO., LTD in Viet Nam.

The 80th anniversary of the foundation.