Founded by the Austrian Mr. Karl Hassmann and the Brazilian Mrs. Elka Hassmann, in the municipality of Imigrante, Rio Grande do Sul, Metalúrgica Hassmann has been operating in the market since 1955. At the beginning of its activity, Hassmann was a simple workshop, where small repairs, equipment maintenance, manufacture of spare parts for local industries, among other activities. In the following years, the company began to manufacture metal knobs for windows and doors, and the main business achieved at the time came from Catholic churches, the construction of hospitals, schools and colleges, such as PUC, in Porto Alegre/ RS, which had the company's manufactured windows and locks. It was only in 1960 that screw production began.