Founded in 1881 by Louis Zwahlen with a handcrafted production of art ironworks, the company has expanded over the years and today Zwahlen & Mayr is a primary contributor to the international industry.

We are active in two main sectors:

• production of welded, redrawn and seamless stainless-steel tubes;
• steel constuctions.

Since 1979, Zwahlen & Mayr has been a leading producer of welded stainless-steel and nickel alloy tubes under the brand ZM Tubes.

About ten years later (1990) Zwahlen & Mayr has started the production of the redrawn stainless-steel tubes and in 2021 the production of the seamless tubes.

Our tubes are manufactured in Aigle, close to Geneva Lake, and are100% made in Swiss.

Thanks to continuous investment in machines and staff training, ZM Tubes is known throughout the world for its high-quality products, excellent customer service and reliability for critical applications.

Situated in the heart of Europe, logistically perfect to serve main European industrial areas, ZM is always ready to meet the innovative challenges of the market.

The ESG criteria are of fundamental importance to our company and represent opportunities in our investment processes.

For more than 10 years ZM has been committed to implementing solutions for the reduction of carbon emissions in the environment by being part of an agreements with act – Swiss Cleantech Agency.

Our determination is even stronger with the energy challenges we are currently facing. More than 20,000 m² of solar panels have been already installed demonstrating the relevance of our commitment and opening the door to imminent developments towards new technologies, such as the production of green hydrogen on site.