The company's purpose is to carry out all work, in particular in the field of ventilation, sheet metal work, locksmithing and the manufacture of square and circular ventilation ducts, technical study of any manufacturing plan related to this field, purchase and sale of products related to the ventilation field, maintenance of ventilation and air conditioning installations, as well as any type of roof outlet and facade grille material. The company may participate in other similar or related companies and establish branches and subsidiaries both in Switzerland and abroad. It may acquire, hold and dispose of real estate, and in general, carry out any activities directly or indirectly related to its purpose, excluding all real estate transactions in Switzerland that do not have an exclusively commercial purpose.