Complete Plant Piping and Equipment Installation Work

RENKI is not accident free by chance, but rather considers preventing accidents to be a given, and has therefore succeeded in staying accident free.

Corporate Message


Rules are not something to be questioned, but something to be protected.

President’s Message

Representative Director, President Yoshihiko Kikukawa

RENKI Co., Ltd. carries out business development, mainly centered around plant construction for new power generation facilities and their maintenance, across all parts of Japan.

Since the founding of our company, we have operated inevitably and successfully with no accidents due to our respect in following safety regulations,
combining professional knowledge with cutting edge technology,
and finally, through using real world experience and flexibility in dealing with factories in regard to both their operating conditions and requirements for us in accomplishing tasks.
We have used these three strengths in order to help our customers throughout our history.

RENKI aims to continue to meet the needs of its clients and of society in a reliable manner, by devoting itself to the perfection of its technology and engineering know-how, and developing a business structure that can adapt to the changing business environment, while at the same time fully meeting its compliance and social responsibilities, in order to raise its value as a company.

Representative Director, President
Yoshihiko Kikukawa

Corporate Data

Company Name
RENKI Co., Ltd.
Jul 11,1990
3 million yen
Representative Director, President
Yoshihiko Kikukawa
Number of Employees
15 (as of June 2023)
Business Description
Complete Plant Piping and Equipment Installation Work
Construction and Maintenance of Power Generation Facilities
Construction/Dismantling/Periodic Inspections
Licenses Acquired
Construction Permits: Plumbing and Machine/Appliance Installation
Approved by the Governor of Hyogo-ken, No. 403867
Scaffolding earthwork


  1. 137-8 Minamibingo, Kakogawa-cho, Kakogawa-city, Hyogo 675-0033