Watering Corporation

1912: Inokuchi-Type Machinery Office established (predecessor of Ebara Corporation)

Establishment of Inokuchi-Type Machinery Office (predecessor of Ebara Corporation)

1920: Ebara Corporation established

Establishment of Ebara Corporation

Since delivering Japan's first domestically produced rapid filtration equipment for waterworks in 1931 (Showa 6), we have continued to earn the trust of many customers in Japan and overseas for more than 90 years as a pioneer in the water treatment business.

Delivery of Japan's first domestically produced rapid filtration equipment for waterworks (Niigata Prefecture)

First Slurry-Recycle High-Rate Clarification System, “Accelator,” delivered (Osaka Prefecture)

Industrial wastewater treatment plant delivered to Yugoslavia (first overseas delivery)

1956: Ebara Infilco established (jointly funded in equal shares by Ebara Corporation and Infilco)

Ebara Infilco Co., Ltd. established as a joint venture equally owned by Ebara Corporation and Infilco

First night soil treatment facility delivered (Atami City, Shizuoka Prefecture)

First water treatment system for soft drinks (JBAS) delivered

First compost production facility delivered

First rapid filtration system for an aquarium delivered (Tokyo)

First contract for operation and maintenance of a sewage treatment plant awarded (Fukuoka Prefecture)

Research and development division established on the grounds of Ebara Corporation’s Fujisawa Works

First seawater desalination unit using ion-exchange membrane electrodialysis delivered (Shizuoka Prefecture)

First contract for operation and maintenance of a water treatment plant awarded (Kanagawa Prefecture)

Ebara Infilco awarded a contract to operate and maintain water supply facilities (Kanagawa Prefecture)

First low-dilution, two-stage activated sludge system, “Denipack Process,” delivered (Shimane Prefecture)

First ultrahigh-rate granular clarification system, “PBS,” delivered

1977: Ebara Infilco Engineering Services Co., Ltd. established

Ebara Infilco Engineering Service Co., Ltd. established

First contract for operation and maintenance of a sewage treatment plant awarded (Oita Prefecture)

First activated sludge treatment system using the BFP (Bulking-Free Process) delivered to a paper mill

First contact phosphorus-removal facility delivered to a sewage treatment plant (Tokyo)

First biological filtration system, “BioPack,” for tertiary sewage treatment delivered

Sales partnership for ultraviolet disinfection systems formed with Hanovia of the United Kingdom

Delivered the first Meta-Pellet, an upflow sludge-bed high-rate methane fermentation system

Won a contract to operate and manage a regional sewerage facility (Toyama Prefecture)

Established a new chemical plant in Sodegaura, Chiba Prefecture (strengthening the chemicals business)

Delivered the first Bio Sweeper biological deodorization system for a wastewater treatment plant

1994: Office established in Indonesia (now PT. Swing Indonesia)

Ebara Corporation and Ebara Infilco Co., Ltd. merged

Ebara Infilco Engineering Service Co., Ltd. changed its trade name to Ebara Engineering Service Co., Ltd.

Established a base in Indonesia (now PT. Swing Indonesia)

Delivered an advanced water treatment facility (activated carbon and ozone treatment) (Osaka Prefecture)

Delivered the first MacBest Filter MF membrane filtration system (Nagano Prefecture)

Delivered a water supply facility in Changchun, China

1997 Establishment of China base (currently Shuiyue Shanghai)

Established a base in China (sold to another company in 2022)

Delivered the first JBAS RO membrane treatment system for a soft drink factory

Delivered the country's largest UF Denipac System (membrane-separated high-rate denitrification treatment)

Implemented ISO 9001 and ISO 14001

2001: Office established in Vietnam (now Swing Water Vietnam)

Delivered the first Sunny Axel System (bromine disinfection system) for CSO control at a wastewater treatment facility (Tokyo)

Delivered the first fin-chain sludge scraper (Hyogo Prefecture)

Established a base in Vietnam (sold to another company in 2020)

Delivered an EGR (Ebara Granule Reactor) high-efficiency methane fermentation system to a beer brewery

Delivered the first UF membrane filtration system (Okayama Prefecture)

2002: J-Team Co., Ltd. established as an integrated waterworks business company

Won the first multi-year contract to operate and manage a wastewater treatment plant (Miyagi Prefecture)

Established J-Team Co., Ltd. as a comprehensive water services company

Delivered the first on-site methane fermentation system for livestock manure (Hokkaido)

Won the first contract for waste treatment plant operation and management under the designated manager system (Hokkaido)

Started operations at Rupeshupe PFI, the first PFI project for a final disposal site for general waste (Hokkaido)

J-Team Co., Ltd. won the first contract for third-party consignment under the Water Supply Act (Hiroshima Prefecture)

Delivered water supply and sewerage facilities to Hanoi, Vietnam

Won the first contract to manage a water treatment facility for a designated city water supply system (Niigata Prefecture)

Won a contract for operation and management under third-party consignment of water supply facilities (Hokkaido)

Won a contract for the development and operation of a sewerage biomass energy utilization facility under the BTO method (Toyama Prefecture)

Delivered a large-scale sewerage facility to Ho Chi Minh City, Vietnam

Won the first contract for long-term operation and management under the designated manager system (Miyagi Prefecture)

2010: Office established in Malaysia (now Swing Water Sdn. Bhd.)

Established a base in Malaysia (company liquidated in 2021)

Mitsubishi Corporation and JGC Corporation acquired equity stakes

Changed the company name to Swing Corporation

J-Team Co., Ltd. won a contract for third-party consignment under the Water Supply Act, including pipeline management (Yamanashi Prefecture)

2012: Water Mirai Hiroshima, Japan's first privately led public-private partnership entity in the waterworks business, established

Established Su-mirai Hiroshima Co., Ltd., Japan's first privately operated water utility company

Su-mirai Hiroshima Co., Ltd. began operations

Became the first private-sector company in Japan to obtain ISO 55001 certification

Entered the sewerage sludge digestion gas power generation business using FIT

2015: PT. Beta Pramesti Asia established

Entrusted with comprehensive services for water supply, sewerage, and agricultural community wastewater treatment facilities, as well as fee collection

Awarded a water facility renewal and operation project under the DBO model

Acquired all shares of Daiichi Kankyo Aqua Co., Ltd.

Established PT. Beta Pramesti Asia

2018: Swing AM Co., Ltd. established and succeeded to Swing's operations business

2018: Swing Engineering Co., Ltd. established and succeeded to Swing's engineering business

Established Suing AM Co., Ltd. as the successor company for the operations business.

Established Suing Engineering Co., Ltd. as the successor company for the engineering business

Komoro Water Future Co., Ltd., a public-private joint venture responsible for designated management of small- and medium-scale water supply businesses, began operations

The “KOBE Harvest Project” received the Minister of Land, Infrastructure, Transport and Tourism Award in the Innovation Division of the “Sewerage Award for the Path of Circulation”

“Resource recycling and effective utilization initiatives leveraging the consolidation of urban metabolism facilities” received the Grand Prix of the Minister of Land, Infrastructure, Transport and Tourism Award, “Sewerage Award for the Path of Circulation”

Signed a contract with the Kagawa Prefecture Wide-Area Water Supply Authority for the operation, management, and maintenance of water purification facilities and other facilities

Won a bronze medal in the Water Technology competition at the 46th WorldSkills Competition (Special Edition)

Released the “Sustainable Water Cloud®” information platform

Adopted the brand message “Create the future of water.”

Share acquisition by Infroneer Holdings