Zwahlen et Mayr SA is a Switzerland-based company engaged in the steel industry. It divides its activities into two business units: Steel Constructions and Stainless Steel Tubes. The products of the Steel Constructions unit are used in the building industry, industrial sheds and facades, bridges, footbridges and special works. The Stainless Steel Tubes unit offers stainless steel and nickel alloy tubes for equipment and heat exchangers in the chemical, food and diary, and petrochemical industries. The unit also manufactures redrawn and high precision tubes, particularly employed in the automotive industry and the construction of mechanical tools. The Company operates one wholly owned subsidiary Efimex SA, engaged in the research, design and construction sectors.