Industrial domain

Installation & Construction

Maruyama Koumuten Co., Ltd.

We help in building a bright and rich society.

At Maruyama Koumuten, we have unique strengths!
We can provide highly-precise explanations and quotations thanks to our dominant experience and technical level in the industry.
- Established in 1960. → Rich experience and know-how
- Owns a wide variety of pipes, pumps and other materials necessary for a wellpoint system.
- Retains lots of certified technicians in wellpoints (government certification).
Postal code


Address 1-13-6 Akanehama, Narashino-shi
Phone number +81-47-451-1521
Fax +81-47-451-5133
Representative director

Norio Yamamoto


Capital 40million yen
Number of employees 100

Business activities

- Scaffolding works
- Earthworks
- Reinforcing bar assembly
- Pavement construction
- Civil engineering works

Main products and processes

- Continuous underground wall construction
- Wellpoint construction
- General civil engineering works
- Heavy machinery leasing
- Dismantling work

Facilities and equipment

  • - Moving cranes: one each of 120t, 90t, 80t and 70t, and two of 65t.
  • - Two 25-ton rough terrain cranes
  • - Four 0.45-ton and one 0.4-ton backhoes
  • - One 4.9-ton mini crane