The trade in building materials; the production and marketing of prefabricated products; participation in companies producing or trading similar materials or products. The acquisition of participations in other companies and entities; financing, including through the issuance of guarantees and financial coordination of the companies or entities in which it participates; the buying, selling, holding, management and placement of public and private securities; it may make mobile and financial investments; real estate transactions in general only abroad, while in Switzerland exclusively funds serving the exercise of an economic activity. The company may carry out all commercial and financial transactions, including the issuance of guarantees, the creation of pledges and the issuance of guarantees, deemed useful or necessary.