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Company Profile

Management Philosophy

  • Mission

    We support a vibrant and comfortable living environment through the waterworks, housing, and agricultural sectors.

  • Vision

    We offer a pipeline to better living.

  • Value

    We deliver new value and smiles through the SEDIA SYSTEM.

Action Guideline

  • 1

    Everything we do should be to bring smiles to our customers. Be not only a good person but a great person.

  • 2

    Look to the forest, not the trees. Make a difference, not a gap.

  • 3

    Take on every challenge. Don't be afraid of change or reaching for opportunities.

  • 4

    Dream and have fun. Grow with your team.

  • 5

    Meet deadlines no matter what happens. Form strong, close business connections based on trust and sincerity.

Integrity, Honesty, Beauty.
Commitment is everything.


Company name

Watanabe Pipe Co., Ltd.

Head office

Keidanren Kaikan,12th floor 1-3-2 Otemachi, Chiyoda-ku, Tokyo 100-0004



December 8, 1953


April 15, 1957

Paid-in capital



Keisuke Watanabe, President & CEO

Number of employees

4,319 (Consolidated, April 2023)
5,606 (Group total, April 2023)

Annual turnover:

JPY 341,644 million (Consolidated, end of March 2023)
JPY 380,315 million (Group total as of March 31, 2023)

Main banks
  • Sumitomo Mitsui Banking Corporation, Tokyo Chuo Branch
  • Mizuho Bank, Tokyo Main Office
  • The Keiyo Bank, Funabashi Branch
Main customers
  • Construction, building, and equipment companies nationwide; water and sewer companies; electrical contractors; building contractors; remodeling companies; housebuilders
  • Water utility and engineering organizations and associations nationwide; Japan Plumbing Heating and Airconditioning
  • Constructors Association
    Agricultural business organizations nationwide; agricultural cooperatives; agricultural material dealers
Our Businesses

[Lifeline Division]

  • Sales of plumbing and engineering equipment
    Piping materials, valves, pumps, sanitary appliances, water supply and drainage fittings
  • Sales of electrical installation materials
    Electrical construction materials, electric wires, lighting, power distribution equipment

[Residential Division]

  • Sales of housing equipment
    Housing equipment, construction materials, air-conditioning, kitchen appliances, hot-water supply equipment

[Green Division]

  • Greenhouse design, construction, and sales
    Design and construction for a wide range of greenhouses, greenhouse products with materials and parts, covering materials, irrigation equipment, automatic curtain systems, louver window and roof vent openers, air-conditioning, greenhouse environment control equipment, liquid culture systems

Group Companies (Overseas)

[Our Businesses]
Greenhouse design / construction, sales and sales of parts / materials
〒11070 No. 4, 7th Floor, Xinbao Xinyi Building, No. 141, Section 1, Keelung Road, Xinyi District, Taipei City4
TEL:886-02-2768-2929 /
Watanabe Pipe Vietnam Co., Ltd.(WPVN)
[Our Businesses]
Greenhouse design / construction, sales and sales of parts / materials
Tuan Di Hamlet, Trung Trac Commune,Van Lam District, Hung Yen Province, VietNam
TEL:84-221-3587-565 /



(One million yen)

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non-consolidated sales

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Operating income‧Ordinary income

(One million yen)

Operating income‧ Ordinary income

Operating income

Ordinary income

Net income

(One million yen)

Net income

Total assets

(One million yen)

Total assets

Net asset

(One million yen)

Net asset

Number of Sales Offices

March 2023

Sales Offices