The purchase, sale, brokerage of purchase or sale, import and export of building materials of any kind, including equipment, as well as the construction and assembly of drilling machines and similar machines. The company may also acquire, sell, hold, manage, lease and rent real estate of any kind. The company is authorized to establish branches and subsidiaries in Switzerland and abroad. The company may also participate and/or form consortia with other similar companies, provided they are compatible with the company's purpose.