Klaus Ritter

AVI Alpenlaendische Veredelungs-Industrie GmbH operates a modern plant in Raaba for the industrial production of reinforcing products for the non-prestressed reinforcement, slab reinforcements. As early as 1949, AVI published the first standardized mesh programme for reinforcing mesh in Europe. It has blazed the trail in the sector of high-tensile steel and constantly developed novel products such as looped mesh, three-dimensional welded wire space frames and concrete reinforcing strips. Its products include truss girders, spacer strips and various other high-quality reinforcing.

Part of AVI Alpenländische Veredelungs-Industrie GmbH, EVG Entwicklungs U Verwertungs Gesellschaft mbH is an Austrian company that specializes in manufacturing various welding and high-performance systems for the production of various grids in different series. The private company is globally active and specializes in the development and construction of machines and systems for processing wire and reinforced steel. The CEO of the company is Klaus Ritter.

Stahl- und Walzwerk Marienhütte GmbH engages in the manufacture of concrete reinforcement steel products. It offers steel bars, rings, and round bars. The firm also markets gravel. The company was founded by Franz Großschädl in 1948 and is headquartered in Graz, Austria.