1000 hectares of land, mostly owned by Se.co.svim. Some of the companies in the territory and have been: SNIA S.p.A. for working with pozzolan's Italcementi in the chemical Caffaro Ketones, Caffaro Benzoin the Se.co . Svim; for the construction and repair of the railway car body Alstom and RFI. Among the companies working with advanced teconology, Avio operates in the aerospace sector. Simmel business is in the war industry. Sport Colleferro includes the following sport venues: Municipal Stadium Maurizio Natali Municipal Stadium Andrea Caslino Sports Hall Alfredo Romboli Municipal Swimming Pool Field Archery Bowls Hall External links Official website Cities and towns in Lazio