The Oberosler Firm S.p.A. is today one of the outstanding firms in the field of road, motorway and viaduct construction, in the realization and refurbishing of tunnels, in the sector of environmental systems such as reclamation works, realization of waste disposal sites, purification plants, aqueducts and sewage systems, in civil and industrial building as well as in the real estate sector. The technical-practical know-how and managerial competence acquired have permitted the firm to enlarge its structure both qualitatively and quantitatively. The Oberosler firm thus moves into the 21st century with a technical staff of around 40 engineers and surveyors, over 150 specialized workers and an administrative staff of around 15 persons responsible to the administrator and the management.