Company Profile


World Suiko Representative Director Naoki Uchiyama

Corporate philosophy

"World Suiko makes full use of the technology cultivated in water treatment Contribute to a sustainable society. "

The following is the "company constitution" that has been set up since the company was founded.

  1. "World Suiko", where we gather, is a company that makes each and every one happy by studying daily, gathering wisdom, and making efforts toward the realization of a richer and more comfortable living environment through water treatment technology.
  2. In relation to society, including the global environment, we will explore the harmonious development of humans and nature through "water" and pursue a truly happy way of life as a human being.
  3. In order to continue to be a company that is useful to society, we value the growth of individuals most, work hard with mutual assistance, and contribute to society through the development of our business.

Based on the above corporate constitution, a group of like-minded colleagues will change the way they did yesterday to tomorrow, create people who will change today, build a company where each person is full of motivation and vitality, and pass on water treatment technology to the world. I will do a useful job.

April 11, 4th year of Reiwa

World Suiko 
Representative Director  
Naoki Uchiyama

Company Profile

company name World Suiko Co., Ltd.
location 940-2127
Shinsan 4-3-10, Nagaoka, Niigata, Japan ( map )
TEL +81-90-3149-5362
Date of establishment 1981 January 30
Capital stock 20 million yen
CEO Naoki Uchiyama
number of employees 9 people
Correspondent bank Daishi Hokuetsu Bank Nagaoka Shinsan Branch
Daishi Hokuetsu Bank Nagaoka Shinsan Center Branch
Taikou Bank Head Office Sales Department
amount of sales 273,245 thousand yen (42th)
Business line
  • Pure water equipment
  • Soft water equipment
  • lron and manganese removal filtration equipment
  • Filter equipment
  • Water treatment reagent for boiler
  • Water treatment reagent for air conditioning
  • Water supply and drainage facility Design and construction
  • Various plumbing work
  • Water treatment facilities its maintenance and management(Private factory and sewage treatment plant)
  • Cleaning operations of receiving tanks and elevated tanks
  • Collection
  • transportaion
  • Disposal works.
Registration permission
Poisonous and Deleterious Substances General Sales Business RegistrationChohoichi No. 425
Building drinking water storage tank cleaning businessNiigata 11 No. 406009
Construction Business Permit Pipe Construction BusinessNiigata Governor's Permit (General-29) No. 17459
Construction business permitNiigata Governor's permit (general-29) No. 17459
Construction Business Permit Water Services Construction BusinessNiigata Governor's Permit (General-29) No. 17459
Industrial waste collection and transportation businessPermit number 01504067426
Main client
[Sold-to party]
  • Organo Co., Ltd.
  • Alps Electric Co., Ltd.
  • Nagaoka
  • MEC Co., Ltd.
  • Organo Co., Ltd.
  • Marsan
  • Ltd. Iwaki
  • Ltd. CEM Corporation

Skills qualifications

  • Environment measuring instruments

  • Sewer management engineer

  • Administrator of wastewater treatment technology

  • First-class pipe construction management engineer

  • Supervisor engineer

  • Secondary pipe work construction management engineer

  • Septic tank administrator

  • Septic tank equipment

  • General Poisonous and deleterious material handlers

  • Operation chief for specific chemical substance etc.

  • Supervisor of cleaning and maintenance of tanks

  • Manager

  • Arc welding business

  • Gas welding skills

  • Crane operation(less than 5 t)

  • Mobile crane operation business

  • Construction lift operation business

  • Slinging (less than 1t) business

  • Vehicle-based construction machine driving skills (for leveling, transportation, loading, and excavation)

  • Vehicle-based construction machinery driving skills (for demolition)

  • Aerial work platform skills

  • Small vehicle construction machine operation business (for basic construction)

  • Forklift driving skills

  • Type 2 oxygen deficiency dangerous work chief

  • Anoxia / Hydrogen Sulfide Dangerous Work Chief

  • Scaffolding assembly work chief

  • Organic solvent work chief

  • Hazardous materials handling chief

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