operation of a general contracting business and execution of all other activities in the field of large-scale and secondary construction (construction, conversion, renovation, demolition, etc.); operation of a civil engineering office in the field of construction and planning; execution of specialized mandates in asbestos diagnostics and VDI measurement; participation in real estate promotions of all kinds, as well as acquisition, operation, administration, management and sale of real estate for its own account and on behalf of third parties; the company may grant loans to its associates (cf. statutes for full purpose)