Przedsiębiorstwo Produkcji Betonów Wyspecjalizowanych \"BETRAS\" Sp. z o.o. (BETRAS Enterprise for Production of Specialised Concrete Wares, Co. Ltd.) is one of the leading Polish companies specialising in production of concrete and ferroconcrete components used for construction of underground infrastructure. The Enterprise\'s history dates back to the 30?s of XX century, when a factory of concrete was founded in Ostrów Wielkopolski as a private firm. The Enterprise BETRAS in its present shape launched its activities in 1993 as a new business entity set up as a result of privatisation of the state-owned company PREFABET, Ostrów Wielkopolski.