01.03.2010 - 31.05.2010 Request for proposals concerning submission of offer and possible conclusion of contract for repair/reconstruction of rail siding branching off from PKP PLK S.A. Zagnańsk rail station to Wiśniówka quartzite quarry
04.01.2010 Merger between WKSM S.A., KKK w Wiśniówce S.A. and Tarmac Kruszywa Polska Sp. z o.o.
26.11.2009 Halfway down the Rędziński Bridge
