Stefan Fink

Sievert AG operates as a holding and administrative company for holdings in various branches of the construction industry. The firm provides construction materials including dry plaster, construction chemicals, and elements. Sievert operates worldwide. The company was founded in 1919 and is headquartered in Osnabruck, Germany.

Sievert Holding AG provides business support services. The private company is based in Osnabrück, Germany.

Founded in 1894, Cimalux SA is a Luxembourger building materials company that sells various construction products. The company is based in Esch-sur-Alzette, Luxembourg and is a part of Buzzi SpA.

Part of Buzzi SpA, Dyckerhoff Basal Nederland BV is a Dutch company that manufactures concrete mortars. The company is based in Nieuwegein, Netherlands and was founded in 2007.

Part of Buzzi SpA, RC Lonestar, Inc. is a cement manufacturing company. The company is based in Bethlehem, PA.

Dyckerhoff AG engages in the production of cement and ready-mixed concrete products. Its products include dray cement, white cement, and concrete. The company was founded by Wilhelm Gustav Dyckerhoff, Gustav Dyckerhoff, and Rudolf Dyckerhoff on June 4, 1864 and is headquartered in Wiesbaden, Germany.