Description Dyckerhoff is cementing relations throughout Europe and the US. The construction materials company makes and sells cement (accounting for more than 85% of sales) mainly in Western and Central Europe. It also sells ready-mixed concrete and concrete products. Dyckerhoff has operations in about a dozen European countries as well as in the US, including subsidiaries such as Dyckerhoff Beton in Poland, Duena and Beton Union in Germany, and Ciments Luxembourgeois in Luxembourg. Germany and Western Europe account for about half of Dyckerhoff's sales. In addition to the founding Dyckerhoff family, the company's shareholders include Buzzi Unicem, which controls about 98% voting shares.