Additive-Chemie Luers GmbH, located in Bremen, is a subsidiary of the Diersch & Schröder Group. DS is a German-style family firm engaged in the production and trade of mineral oil products, renewable resources, and chemicals, as well as activities in the IT industry.


Additive-Chemie Luers GmbH owns Estichem A/S in Denmark, which produces additives for process cleaning and oil extraction.