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.