About the Company

What we are

We have operated in power transmission engineering sector since 1976. Experience and know-how acquired by ZWSE Rzeszów, one of Poland's major enterprises specialising in electrical engineering, are at the heart of our Company. In order to meet business and technological challenges, we have been gaining experiences in new areas and in new markets. Owing to our consistently implemented strategy, today we are among the top companies most frequently invited to cooperate by the most demanding Investors.
The robust professional expertise of ZWSE Rzeszów, its best practices and the unceasing willingness to explore new territories all provide good foundations for GRINEA company.
The change of the company name, executed in 2022, results from the evolution which took place during the nearly 50 years of our operation in the market and from our openness to the opportunities presented by the development of advanced technologies.
About the Company

What we do

Owing to the extensive knowledge and interdisciplinary experience of our specialists, we are able to recommend the most effective solutions.
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Many years of experience

Highly specialised, competent and individually appointed teams are responsible for the comprehensive implementation of projects - from formal and legal matters and design work, to construction, upgrading, repairs as well as post-assembly testing, and final/post-warranty acceptance of the completed facilities. Owing to the extensive knowledge and interdisciplinary experience of our specialists, we are able to recommend the optimum solutions. We provide support to our Clients to ensure continuous electricity supply. Each investment project is supervised by a certified project manager. The company management and engineering staff have many years of experience in power transmission engineering.