company profile

About Us

Corporate Name

ES-Waternet Co., Ltd.


4-24-1, Suwa, Tama-shi, Tokyo 206-0024, Japan





Start of Operations

November 1970


March 1976


88,500,000 yen

Representative Director

Kenichi Sakamoto

Main Clients

  • Ministry of Agriculture, Forestry and Fisheries
  • Ministry of Land, Infrastructure, Transport and Tourism
  • Japan International Cooperation Agency
  • Crown Agents Japan
  • Mitsubishi Heavy Industries, Ltd.
  • Hitachi, Ltd.
  • Mitsui Engineering & Shipbuilding Co., Ltd.
  • Taisei Corporation
  • Dai Nippon Construction
  • Hazama Ando Corporation
  • Sumitomo Mitsui Construction Co., Ltd.
  • East Japan Railway Company
  • West Japan Railway Company

Main Suppliers

  • Bermad
  • Saint-Gobain PAM
  • A.R.I. Flow Control Accessories Ltd.
  • Amiad Water Systems Ltd.
  • NaanDan Jain Irrigation Ltd.
  • Kitz Corporation
  • Sumida Iron Works Co., Ltd.

Supply Record


  • Jordan: Improvement of the water supply system in Zarqa
  • Eritrea: Urban water supply project in Debub
  • Kazakhstan: Water supply and sewerage project in Astana
  • Honduras: Micro-hydroelectric power generation project
  • South Sudan: Improvement of the water supply system in Juba
  • Joetsu Shinkansen snow melting system for high-speed railway lines


  • Bolivia: Forest preservation project
  • Thailand: Forest preservation project
  • Tokyo Marunouchi environment improvement project
  • Tama district residential environment improvement project
  • Metropolitan Ohashi Junction Greenbelt


  • Miyako Island Agricultural improvement project
  • Ishigaki Island Agricultural improvement project
  • Hachinohe Agricultural improvement project
  • Thailand: Forest preservation project
  • Indonesia: Project for increased food production


  • ExxonMobil Chemical Asia Pacific SPOX & SPT SME project
  • Talisman Energy USA, Inc. water treatment project
  • American Energy Partners, LP; Thrasher Water Association; and Veolia water treatment project
  • Sawai Pharmaceutical Chiba Plant

Lines of Business

  • Dry field irrigation systems
  • Various types of automatic control valves for water pipelines
  • Greenhouse horticulture irrigation systems
  • Various types of water treatment systems
  • Railway snow melting sprinkler systems
  • Urban environment greening irrigation systems
  • Rooftop and wall greening irrigation systems
  • Playing field and schoolyard dust control sprinkler systems
  • Manufacture, import, and sales of various types of irrigation materials and equipment
  • Design and construction of various types of irrigation systems

Description of Business
(Sales, Consultation, Design, and Construction)

  • Export, import, manufacture, and sales of agricultural and industrial machinery
  • Export, import, manufacture, and sales of electrical equipment and daily commodities and sundries
  • Export, import, and sales of agricultural and fishery products
  • Planning, design, construction, management, and consultation for civil engineering and building work
  • Pipe, electrical, and machinery and equipment installation work