The OQEMA Group, formerly Overlack, is one of the five largest chemical distributors in Germany and one of the top ten in Europe. More than 1,200 employees currently work for OQEMA in 21 countries. At the interface between chemicals manufacturers and chemical-processing industries, the OQEMA Group provides European services along the supply chains: ranging from the procurement, product development and individual mixing to logistics and recycling. The Group has specific expertise in the technical and regulatory support of its customers. The distributor with headquarters in Mönchengladbach, Germany, is also the exclusive sales partner of various renowned suppliers.

OQEMA customers across Europe consist of around 30,000 companies from various business areas such as life science, technical and environment applications. OQEMA offers a dynamic and growing range of 14,000 products.