Since 1954 Dolnoslaskie Przedsiebiorstwo Uslugowe Sp. z o.o. (Lower Sielsian Services Enterprise Ltd) in Wroclaw provides cleaning services for rolling and road stock and maintenance services for stations and their vicinity within the entire country. The Company also carries out works associated with cleaning services for large objects (e.g. offices, warehouses, shopping malls, etc.) and green areas, and also provides services related to the main category of activities (booking offices, exchange offices, baggage rooms, receptions, window cleaning, etc.).