Construction works in general, both new buildings and renovations, civil, industrial, road, water supply, sewage, underground, river, lake and maritime; rental of equipment and machinery; wholesale and retail trade of building materials and related products; snow removal and anti-ice service; collection, disposal, sweeping, sorting, treatment, recycling of waste; transportation of goods and waste on own account and on behalf of third parties; production, sale, trade of metal carpentry and components for industrial plants, steel products in general; real estate, movable, commercial and financial operations.