NIWA is an engineering company that has been acting on the market since 1989.

Experienced engineers

We specialize in assembly of technological installations, design and manufacture of tanks and various types of apparatus, workshop prefabrication of spools, skids and mechanical assembly.

Production facilities

Our headquarters and production halls are located in Ropczyce, 7 km from the A4 motorway, 20 km from the Jesionka Rzeszów airport and 130 km from the airport in Krakow.

Family business

We are a private family company, which means quick decision-making, flexibility and response to the needs of our clients.
Firma z lotu ptaka
skilled workers
over 30 years of experience
we operate on 5 continents
completed projects

Production capacities

We have fully equipped production halls, separate for the processing of stainless steels and separate for the processing of carbon steels. The total production area amounts to 4,000m2, and the entire area of the company amounts to around 4,3 ha.

We have a modern machinery park that allows us to fabricate at a high standard.


Thanks to permanent and experienced team, we can ensure excellent realization and supervision of each project. We employ:

  • welders, fitters, mechanics, insulators
  • quality control engineers, certified welding inspectors
  • branch designers
  • engineers, technologists and project managers
  • support and administration departments

Together with our partners we create a dynamic professional team.

Board of Directors

General Partner
Jan Niwa

Limited Partner/ Proxy
Jadwiga Niwa

Proxy/ Marketing Director

Małgorzata Niwa - Osocha

Limited Partner/ International Coorporation Director

Marcin Niwa


We listen to our clients and adapt to their needs.


Our last week in photos

Prefabrication of spools, ducts, delivery of tanks, assembly of installations for the production of jelly beans in the USA, assembly of installations for the production of energy drinks in Germany, assembly of water pumping stations in Germany.

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Our last week in photos

Welcome to Kemi. Works in progress.

Assembly of interconnecting piping in cooling towers and pump station, prefabrication of piping/ steel structures

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Welcome to Kemi. Works in progress.

Thank You Achema 2022

Thank you for your presence at Achema 2022. It was great to meet you and talk on live. Hope to see you again at the next edition of Achema 2024.

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Thank You Achema 2022

Visit us at Achema 2022

More than happy to see you at ACHEMA 2022 trade fair. It will be held in Frankfurt am Main in Germany and we will be there for you between 22nd – 26th of August 2022.

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Visit us at Achema 2022

Another completed project with success

Complex mechanical and electrical assembly of the evaporation station and technological installations for the juice production plant.

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Another completed project with success

NIWA at StocExpo 2022

We had the pleasure to participate in the largest and longest running international bulk liquid storage event - StocExpo.

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NIWA at StocExpo 2022
About us Company