WeylChem Group has been formed by International Chemical Investors through various acquisitions since 2005 and has become a leading supplier of building blocks and custom manufacturing services, providing exclusive (multi-step) synthesis of chemical intermediates and active ingredients for multinational customers in the pharmaceutical, agrochemical and polymer industries. Today, WeylChem has manufacturing sites in H?chst, Griesheim and Brunsbüttel (Germany), Elgin (United States), Trissino (Italy) and Thann (France).