© De Beijer Groep
Sooneck Quarry in the immediate vicinity of Rheinstein Castle
The Sooneck quarry near Mainz plays a key role for de Beijer Groep in Germany, along with a transhipment centre in Duisburg. The quartzite greywacke and sand-lime bricks extracted from the quarry serve as material for numerous construction measures. These include concrete, water, road and landscaping construction as well as the ceramic industry. According to its own information, the family-owned company focuses on sustainability in quarrying and transport; the de Beijer Groep bears the sustainability seal "NL Greenlabel".
De Beijer Group